|In the year 1054 A.D., Chinese astronomers were startled by the appearance of a new star that was so bright that it was visible in broad daylight for several weeks. Located about 6,500 light-years from Earth, the Crab Nebula is the remnant of a star that began its life with about 10 times the mass of our sun. Its life ended on July 4, 1054 when it exploded as a supernova. High Resolution Image (1.66 MB)|
Image Credit: NASA, Kris Davidson (U. Minn.), William P. Blair (JHU), Robert A. Fesen (Dartmouth), Alan Uomoto (JHU), Gordon M. MacAlpine (U. Mich.), and Richard B.C. Henry (U. Okla.)
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