Science and Technology, Quantum Daisy

Quantum daisy. Twelve cobalt atoms arranged in a circle on a surface of copper produce a daisy-like pattern from the interference of electron wave. This image was made with a one-of-a-kind instrument

that, acting autonomously, picks up and places individual atoms anywhere on a surface. NIST scientists are studying the quantum properties of different atom arrangements to help improve the design and fabrication of nanoscale devices

Use of NIST Information, These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology (NIST). With the exception of material marked as copyrighted, information presented on these pages is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested. full resolution tif image of non-copyrighted image (15MB).

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Science and Technology, Wind Turbine

DOE wind turbine dedicated January 28, 1978 in Clayton, New Mexico, is the first Federally sponsored wind generator to provide electric power for a U.S. community.

The wind turbine supplies 200 kilowatts of power when operating at or above its rated wind speed of 19 miles per hour. This is enough power to meet the electrical needs of about 60 homes

Copyright, Restrictions, and Permissions Notice, Government information at DOE Web sites is in the public domain. Public domain information may be freely distributed and copied, but it is requested that in any subsequent use the Department of Energy be given appropriate acknowledgement.

Images on our web site (DOE) which are in the public domain may be used without permission. If you use images from our web site, we ask that you credit us as the source.

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Science and Technology, "Little Boy" atomic bomb

Hiroshima 1940's -- ATOMIC BURST. At the time this photo was made, smoke billowed 20,000 feet above Hiroshima while smoke from the burst of the first atomic bomb had spread over 10,000 feet on the target at the base of the rising column. August 5, 1945.

Two planes of the 509th Composite Group, part of the 313th Wing of the 20th Air Force, participated in this mission; one to carry the bomb, and the other to act as escort. (U.S. Air Force photo. High Resolution Image

Atomic bomb returns to Air Force Museum, WRIGHT-PATTERSON AIR FORCE BASE, Ohio -- A 'Little Boy' atomic bomb returned to the Air Force Museum

here July 15 after a yearlong restoration project. It is the same type as the one dropped Aug. 6, 1945, over Hiroshima, Japan. (U.S. Air Force photo by Jeff Fisher. High Resolution Image

Information presented on Air Force Link is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested.

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Science and Technology, Wired Cells

caption: Although microbes are single-cell organisms, they typically live in communities composed of more than one kind of microbe -- often many different kinds. Considering that life is found in virtually every environmental niche from arctic tundra to parched deserts to boiling sea vents on the deepest ocean floor,

the global genetic "catalog" encoding all of life's amazingly diverse capabilities must be astonishing, yet very few details are known.

For more on the science behind the Human Genome Project, see our Website.

These images originally appeared in the 2001 Genomes to Life Program Roadmap

image credit: U.S. Department of Energy Genomics:GTL Program, doegenomestolife.org

Available Formats, high resolution (jpg, 254 KB), low resolution (jpg, 28 KB), single cell only (low resolution) (gif, 13 KB)

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Image Use and Credits Almost all of the images on U.S. Department of Energy pages are original graphics created by the U.S. Department of Energy Human Genome Program's Human Genome Management Information System (HGMIS). You will recognize these HGMIS images by their credit line (U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program.) Permission to use these graphics is not needed, but please credit the U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program, the website ornl.gov/hgmis .

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Science and Technology, Supercomputer

image credit: U.S. Department of Energy Genomics:GTL Program, doegenomestolife.org . caption: IBM SP Supercomputer at Oak Ridge National Laboratory.

For more on the science behind the Genomics:GTL Program, see Website. This image originally appeared in the 2001 Genomes to Life Program Roadmap.

Available Formats, high resolution (tif, 4.29 MB), low resolution (jpg, 37 KB)

Generally speaking, works created by U.S. Government employees are not eligible for copyright protection in the United States. See Circular 1 "COPYRIGHT BASICS" from the U.S. Copyright Office.

Image Use and Credits Almost all of the images on U.S. Department of Energy pages are original graphics created by the U.S. Department of Energy Human Genome Program's Human Genome Management Information System (HGMIS). You will recognize these HGMIS images by their credit line (U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program.) Permission to use these graphics is not needed, but please credit the U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program, the website ornl.gov/hgmis .

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Science and Technology Protein Complex

caption: Proteins rarely solo. More often, they work by assembling into larger multiprotein complexes, some of which have the characteristics of rather complicated protein "machines."

high resolution (jpg, 402 KB) low resolution (jpg, 26 KB), These machines, in turn, execute such major functions as protein synthesis and degradation, cell-to-cell signaling, and a host of other operations. The properties of each kind of protein, which cause it to assemble with others into machines and to execute very specific and critical reactions in the cell, are the direct consequence of the protein's amino acid sequence that dictates its final structure.

Generally speaking, works created by U.S. Government employees are not eligible for copyright protection in the United States. See Circular 1 "COPYRIGHT BASICS" from the U.S. Copyright Office.

Image Use and Credits Almost all of the images on U.S. Department of Energy pages are original graphics created by the U.S. Department of Energy Human Genome Program's Human Genome Management Information System (HGMIS). You will recognize these HGMIS images by their credit line (U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program.) Permission to use these graphics is not needed, but please credit the U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program, the website ornl.gov/hgmis .

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Space the Final Frontier, Apollo 17 Plaque

This image is a photographic replica of the plaque that the Apollo 17 astronauts left on the Moon at the Taurus-Littrow landing site. Apollo 17 was the final lunar landing mission in NASA's Apollo program.

The commemorative plaque was unveiled at the close of the third extravehicular activity (EVA-3). The plaque was made of stainless steel measuring nine by seven and five-eighths inches, and one-sixteenth inch thick. It was attached to the ladder on the landing gear strut on the descent stage of Apollo 17 Lunar Module "Challenger."

Images, Thumbnail Resolution, Small Resolution, Medium Resolution, Large Resolution.

NASA Center: Johnson Space Center, Image # : 72-H-1541, Date : 12/12/1972, Center: JSC, Center Number: 72-H-1541, GRIN DataBase Number: GPN-2002-000057, Creator/Photographer: NASA, Original Source: DIGITAL

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied.

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Space the Final Frontier, Apollo 11 EVA

AS11-40-5903 (20 July 1969) --- Astronaut Edwin E."Buzz" Aldrin, Jr., lunar module pilot, walks on the surface of the Moon near the leg of the Lunar Module (LM) "Eagle" during the Apollo 11 exravehicular activity (EVA).

Astronaut Neil A. Armstrong, commander, took this photograph with a 70mm lunar surface camera. While astronauts Armstrong and Aldrin descended in the Lunar Module (LM) "Eagle" to explore the Sea of Tranquility region of the Moon, astronaut Michael Collins, command module pilot, remained with the Command and Service Modules (CSM) "Columbia" in lunar orbit. high resolution image (3.0 M) low resolution image (396 K)

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RELATED: Space the Final Frontier, Apollo 11 - This view of the Earth rising over the Moon's horizon was taken from the Apollo spacecraft.

Space the Final Frontier, STS-121 Space Walk

S121-E-06583 (12 July 2006) --- Astronaut Piers J. Sellers, STS-121 mission specialist, participates in the mission's third and final session of extravehicular activity (EVA).

The demonstration of orbiter heat shield repair techniques was the objective of the 7-hour, 11-minute excursion outside Space Shuttle Discovery and the International Space Station. high res image (1.5 M) low res image (125 K)

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied.

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Space the Final Frontier, Apollo 11 Clip Art

+sookie tex. Apollo 11 Clip Art. Public Domain Clip Art Stock Photos and Images

AS11-44-6552 July 11, 1969 This view of the Earth rising over the Moon's horizon was taken from the Apollo 11 spacecraft. The lunar terrain pictured is in the area of Smyth's Sea on the nearside.

More about this image and story at Public Domain Clip Art - http://publicdomainclip-art.blogspot.com/2006/08/space-final-frontier-apollo-11.html

high res (2.6 M) low res (334 K)

Coordinates of the center of the terrain are 85 degrees east longitude and 3 degrees north latitude. While astronaut Neil A. Armstrong, commander; and Edwin E. Aldrin, Jr., lunar module pilot, descended in the Lunar Module (LM) "Eagle" to explore the Sea of Tranquility region of the Moon, astronaut Michael Collins remained with the Command and Service Modules (CSM) "Columbia" in lunar orbit.

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied

AS11-44-6642 LM approaches CSM for docking / earthrise in the background July 21, 1969

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RELATED: Space the Final Frontier, Apollo 11 EVA - Astronaut Edwin E."Buzz" Aldrin, Jr., lunar module pilot, walks on the surface of the Moon near the leg of the Lunar Module (LM) "Eagle" during the Apollo 11 exravehicular activity (EVA).

Space the Final Frontier, STS-121 Launch

National Aeronautics and Space Administration, John F. Kennedy Space Center, Kennedy Space Center, Florida 32899, 321-867-7819, FOR RELEASE: 07/04/2006, PHOTO NO: KSC-06PP-1472, PHOTO CREDIT: NASA or National Aeronautics and Space Administration

Medium Resolution Image or High Resolution Image

KENNEDY SPACE CENTER, FLA. – Smoke and steam billow across Launch Pad 39B as the launch of Space Shuttle Discovery on mission STS-121 kicks off the fireworks for the U.S. holiday and makes history as the first time a shuttle has launched on Independence Day.

Liftoff was on-time at 2:38 p.m. EDT. During the 12-day mission, the STS-121 crew of seven will test new equipment and procedures to improve shuttle safety, as well as deliver supplies and make repairs to the International Space Station. Landing is scheduled for July 16 or 17 at Kennedy's Shuttle Landing Facility. Photo credit: NASA/Tony Gray & Tim Powers

No copyright protection is asserted for this photograph, NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied

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Space the Final Frontier, Space Shuttle Discovery

ISS011-E-11227 (28 July 2005) --- Space Shuttle Discovery approaches the International Space Station. On the left side of the image (under the left wing) is Lake Neuchatel, Switzerland.

The city at the end of the lake is Yverdon. The Jura Mountains (most of the green portion of the background) are to the right in the image.

Discovery later docked to the Station at 6:18 a.m. (CDT) on Thursday, July 28, 2005 as the two spacecraft orbited over the southern Pacific Ocean west of the South American coast. Onboard the Shuttle were astronauts Eileen M. Collins, STS-114 commander; James M. Kelly, pilot; Andrew S. W. Thomas, Stephen K. Robinson, Wendy B. Lawrence, Charles J. Camarda and Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, all mission specialists.

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied
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Space the Final Frontier, Space Shuttle Atlantis

KENNEDY SPACE CENTER, FLA. -- Dozens of employees accompany the orbiter Atlantis on its rollover from the Orbiter Processing Facility to the Vehicle Assembly Building.

In the VAB, the orbiter will be lifted into high bay 3 for mating to the external fuel tank and solid rocket boosters. The launch window for Atlantis begins Aug. 28. During its 11-day mission to the International Space Station, the STS-115 crew of six astronauts will install the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Jim Grossmann View High Resolution Image

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Space the Final Frontier, STS-121 Space Shuttle Landing 2

STS121-S-053 (17 July 2006) --- Space Shuttle Discovery's main landing gear is about to touch down on runway 15 at Kennedy Space Center's Shuttle Landing Facility high res (0.4 M) low res (45 K)

at 9:14 a.m. (EDT) on July 17, 2006. Onboard were astronauts Steven W. Lindsey, commander; Mark E. Kelly, pilot; Piers J. Sellers, Michael E. Fossum, Lisa M. Nowak and Stephanie D. Wilson, all mission specialists. During the nearly 13-day mission, the STS-121 crew tested new equipment and procedures to improve shuttle safety, and delivered supplies and made repairs to the International Space Station.

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied.

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Space the Final Frontier, International Space Station

STS111-373-001 (15 June 2002) --- Backdropped by the blackness of space and a blue and white Earth, the International Space Station (ISS)

is now separated from the Space Shuttle Endeavour following the undocking of the two spacecraft over western Kazakhstan. Endeavour pulled away from the complex at 9:32 a.m. (CDT) on June 15, 2002 high res (1.0 M) low res (86 K)

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied.

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Space the Final Frontier, STS-121 Space Shuttle Landing

STS121-E-079 (17 July 2006) --- The main landing gear of the Space Shuttle Discovery touches down on the KSC landing facility. high res (0.9 M) low res (69 K)

Onboard are six of the seven astronauts who nearly two weeks earlier had lifted off from the nearby launch complex--astronauts Steven W. Lindsey, Piers J. Sellers, Mark E. Kelly, Michael E. Fossum, Stephanie D. Wilson and Lisa M. Nowak. European Space Agency astronaut Thomas Reiter remained aboard the International Space Station.

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied.

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Space the Final Frontier, STS-121 Space Shuttle

STS121-S-030 (4 July 2006) --- Space Shuttle Discovery and its seven-member crew launched at 2:38 p.m. (EDT) to begin the two-day journey to the International Space Station on the historic Return to Flight STS-121 mission. Discovery is slated to dock with the station at 10:52 a.m. (EDT) Thursday July 6, 2006. high res (1.1 M) low res (102 K)

The shuttle made history as it was the first human-occupying spacecraft to launch on Independence Day. During the 12-day mission, the STS-121 crew of seven will test new equipment and procedures to improve shuttle safety, as well as deliver supplies and make repairs to the space station.

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied.

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Space the Final Frontier, Martian Sunset

Target Name: Mars, Is a satellite of: Sol (our sun), Mission: Mars Pathfinder (MPF), Spacecraft: Mars Pathfinder Lander, Instrument: Imager for Mars Pathfinder, Product Size: 920 samples x 225 lines, Produced By: JPL, Full-Res JPEG: PIA07453.jpg (16.43 kB)

Original Caption Released with Image: This illustration is a composite that creatively combines two previously released images from Mars Pathfinder for a sunset scene in Ares Valles in July 1997. The combined images are PIA01547 for the sky, and a portion of PIA01466 for the terrain. The sky image is a radiometrically correct, true-color sunset, with the sky near the Sun a pale blue color.

The terrain image has been artistically adjusted to match the approximate time of day of the sky image (4:10 p.m. local solar time at the landing site) and to provide a seamless horizon. The two source images are composites of several frames from the Imager for Mars Pathfinder camera. Additional information is available in the captions for the original images.

Image Credit: NASA/JPL/University of Arizona.

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Weather and Natural Phenomenon

Weather, 1913 Horrors of Tornado Flood and Fire - Frontispiece to "Horrors of Tornado Flood and Fire," by Frederick E. Drinker. 1913. An account of tornados, flooding and accompanying fires from Nebraska to New York in the year 1913.

Weather, Severe Storms Tornado - The first tornado captured by the NSSL doppler radar and NSSL chase personnel. The tornado is here in its early stage of formation.

Weather, Surf's Up - New big wave surfing area off Galveston. Waves generated from Tropical Storm Allison,

Weather, Hail - Large hail collects on streets and grass during severe thunderstorm. (2 Images)

Weather, Volcanos - Mount St. Helens, Washington, Eruption Images, 2004 and 2005, Memorable Images of "The First Year" (5 Images)

Weather, Rainbows - A primary and secondary rainbow - note reversal of spectrum Reversal. (3 Images)

Weather, Drought - Dust covers a fence line in the American Midwest during the Dust Bowl years. In: 'To Hold This Soil', Russell Lord, 1938. Miscellaneous Publication No. 321

Weather, Fire - Grass fire in Eastern Washington, State: Washington By: Gary Wilson, (3 Images)

Weather, Mudslide - Geology of the Mt. Princeton Area - Some areas around Mt. Princeton are composed of granite and calcite. (4 Images)

Weather, Lightning - Multiple cloud-to-ground and cloud-to-cloud lightning strokes during night-time. (3 Images)

Weather, Geyser - Photographs of Steamboat Geyser, Norris Geyser Basin, Yellowstone National Park. Steamboat, located in Norris Geyser Basin, is one of Yellowstone's most famous geysers. (4 Images)

Weather, Avalanche - Powder or Loose Snow Avalanche, Definition: A mass of loosely packed snow that begins with a piece of falling rock or ice (4 Images)

Weather, Earthquake - Damages Caused by the November 29, 1975 Earthquake, An estimated $4 million (worth approximately $13 million in 1999 dollars) of damages is attributed to the earthquake and its related catastrophic events. (3 Images)

Weather, Rain - The purpose of NASA’s Earth Observatory is to provide a freely-accessible publication on the Internet (3 Images)

Weather, Waterfall - Waterfall in the Krantz Kloof Reserve, Restrictions for Using NOAA Images, Most NOAA photos and slides are in the public domain (ALL those presented here) (4 Images)

Weather, Icebergs - Huge tabular icebergs, calved from the ice shelf in the Southern Ocean's Weddell Sea. (Photo courtesy of Mike Vecchione, NOAA National Marine Fisheries Service), (4 Images)

Weather, Hurricane - Sixteen feet of storm surge struck the Florida Panhandle during Hurricane Eloise (4 Images)

Weather, Tidepool - The Olympic Coast National Marine Sanctuary embraces one of the last relatively undeveloped coastlines in the United States (4 Images)

Weather, Dust Storm - A wall of dust approaching a Kansas town. In: "Effect of Dust Storms on Health," U. S. Public Health Service, (4 Images)

Weather Blizzard - Young steer after a March blizzard. Blizzard conditions are extremely hard on exposed livestock. (4 Images)

Weather, Fog - Early morning fog on a southern lake, Image ID: wea00153, Historic NWS Collection (3 Images)

Weather, Flood - Many busineses were closed during the flood like the one depicited in this photo of a Riverboat Ride Sign under water. (3 Images)

Weather, Northern Lights - The Aurora Borealis (commonly referred to as the Northern Lights) are the result of interactions between the Sun and Earth's outer atmosphere (5 Images)

Weather, Coral Reef - Brain coral and sea fan close-up. 1987 Florida Keys National Marine Sanctuary. (5 Images)

Weather, Caves - Cowboy Caves, located on the Colorado Plateau in Utah, are named for the cowboy graffiti and cattle brands scratched on the walls. (6 Images)

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Space the Final Frontier, Send More Chuck Berry

BestAudioCodes.com, This gold aluminum cover was designed to protect the Voyager 1 and 2 "Sounds of Earth" gold-plated records from micrometeorite bombardment, but also serves a double purpose in providing the finder a key to playing the record. The explanatory diagram appears on both the inner and outer surfaces of the cover, as the outer diagram will be eroded in time.

Flying aboard Voyagers 1 and 2 are identical records, carrying the story of Earth far into deep space. The 12-inch gold-plated copper discs contain greetings in 60 languages, samples of music from different cultures and eras and natural and man-made sounds from Earth. They also contain electronic information that an advanced technological civilization could convert into diagrams and images.

Generally speaking, works created by U.S. Government employees are not eligible for copyright protection in the United States. See Circular 1 "COPYRIGHT BASICS" from the U.S. Copyright Office.

NASA images generally are not copyrighted. Unless otherwise noted, images and video on NASA public web sites (public sites ending with a nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by NASA must not be claimed or implied.

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Space the Final Frontier, Alien Life

Mission: Spitzer Space Telescope (SST), Spacecraft: Spitzer Space Telescope (SST), Instrument: Product Size: 2526 samples x 1827 lines, Produced By: California Institute of Technology. Full-Res JPEG: PIA03538.jpg (575.9 kB)

Original Caption Released with Image: This artist's conception symbolically represents complex organic molecules, known as polycyclic aromatic hydrocarbons, seen in the early universe. These large molecules, comprised of carbon and hydrogen, are considered among the building blocks of life.

NASA's Spitzer Space Telescope is the first telescope to see polycyclic aromatic hydrocarbons so early -- 10 billion years further back in time than seen previously. Spitzer detected these molecules in galaxies when our universe was one-fourth of its current age of about 14 billion years.

These complex molecules are very common on Earth. They form any time carbon-based materials are not burned completely. They can be found in sooty exhaust from cars and airplanes, and in charcoal broiled hamburgers and burnt toast.

Polycyclic aromatic hydrocarbons are pervasive in galaxies like our own Milky Way, and play a significant role in star and planet formation.

Image Credit: NASA/JPL-Caltech

NASA images generally are not copyrighted. Unless otherwise noted, images and video on JPL public web sites (public sites ending with a jpl.nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by Caltech, JPL or NASA must not be claimed or implied.

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Space the Final Frontier, Seeds of Planets

Mission: Spitzer Space Telescope (SST), Spacecraft: Spitzer Space Telescope (SST), Product Size: 3000 samples x 2400 lines, Produced By: California Institute of Technology.

Full-Res JPEG: PIA03048.jpg (301.7 kB)

Original Caption Released with Image: This artist's concept shows microscopic crystals in the dusty disk surrounding a brown dwarf, or "failed star." The crystals, made up of a green mineral found on Earth called olivine, are thought to help seed the formation of planets.

NASA's Spitzer Space Telescope detected the tiny crystals circling around five brown dwarfs, the cooler and smaller cousins of stars. Though crystallized minerals have been seen in space before -- in comets and around other stars -- the discovery represents the first time the little gem-like particles have been spotted around confirmed brown dwarfs.

Astronomers believe planets form out of disks of dust that circle young brown dwarfs and stars. Over time, the various minerals making up the disks crystallize and begin to clump together. Eventually, the clumps collide and stick, building up mass like snowmen until planets are born.

NASA images generally are not copyrighted. Unless otherwise noted, images and video on JPL public web sites (public sites ending with a jpl.nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by Caltech, JPL or NASA must not be claimed or implied.

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Space the Final Frontier, Solar System

Target Name: IRS 46, Mission: Spitzer Space Telescope (SST), Spacecraft: Spitzer Space Telescope (SST), Product Size: 3000 samples x 2400 lines, Produced By: California Institute of Technology.

Full-Res JPEG: PIA03243.jpg (361.6 kB)

Original Caption Released with Image: This artist's concept illustrates a solar system that is a much younger version of our own. Dusty disks, like the one shown here circling the star, are thought to be the breeding grounds of planets, including rocky ones like Earth.

Astronomers using NASA's Spitzer Space Telescope spotted some of the raw ingredients for DNA and protein in one such disk belonging to a star called IRS 46. The ingredients, gaseous precursors to DNA and protein called acetylene and hydrogen cyanide, were detected in the star's inner disk, the region where scientists believe Earth-like planets would be most likely to form.

Image Credit: NASA/JPL-Caltech

NASA images generally are not copyrighted. Unless otherwise noted, images and video on JPL public web sites (public sites ending with a jpl.nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by Caltech, JPL or NASA must not be claimed or implied

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Space the Final Frontier, Alien Planet

Target Name: Cygnus, Spacecraft: Keck Observatory, Instrument: Keck I Telescope, Product Size: 640 samples x 480 lines, Produced By: JPL.

Full-Res JPEG: PIA03520.jpg (574 kB)

Original Caption Released with Image: This artist's animation shows the view from a hypothetical moon in orbit around the first known planet to reside in a tight-knit triple-star system. HD 188553 Ab is a gas giant planet, about 1.14 times the mass of Jupiter, with an orbital period of 3.3 days discovered using the Keck I telescope atop Mauna Kea in Hawaii, and zips around a single star that is orbited by a nearby pair of pirouetting stars.

Because the stars in this triple system are bunched together, sunsets on the planet -- or on any moons that might exist around the planet -- would be spectacular. This rambunctious stellar family is called HD188753 and is located 149 light-years away in the constellation Cygnus.

Sunset is seen through the tenuous atmosphere of a hot, baked hypothetical moon. As the suns dip below the horizon, the gas giant comes into view. The moon's landscape remains illuminated by sunlight reflected off the planet. Both the planet and moon would be so hot that even in shadow their surfaces would glow.

The suns' colors and sizes reflect their masses, temperatures and distances to the planet. For example, the first star shown setting over the horizon is the closest, most massive and hottest of the trio, so it is depicted as large and white. The second star is farther away, less massive and cooler than the first, appearing smaller and yellow. The final star is at the same distance as the second, but it is still less massive and cooler, appearing even smaller and orange-red in color. Our Sun is a bit cooler than the hottest star of the system.

The "wobble" of a star being tugged on by the planet called HD 188753 Ab. The planet was discovered via the radial velocity technique, in which a planet's presence is inferred by the motion, or wobble, it causes in its parent star. Stellar motion is plotted here as changes in velocity (y-axis) versus time (x-axis).

Unlike most planetary wobbles, this one comes from a star that is circled by a nearby pair of stars. In other words, the planet orbits a single star that is part of a close-knit triple-star system. Because the starlight from this cramped bunch blends together, the task of sifting through the light to find the planet's signature was more difficult. This challenge was overcome with the help of detailed models of the triple-star system's light. Data from those models resulted in precise velocity measurements of the star circled by HD 188753 Ab.

Image Credit: NASA/JPL-Caltech

NASA images generally are not copyrighted. Unless otherwise noted, images and video on JPL public web sites (public sites ending with a jpl.nasa.gov address) may be used for any purpose without prior permission. The endorsement of any product or service by Caltech, JPL or NASA must not be claimed or implied.