The Hubble Space Telescope’s Finest Photos

Now that the telescope has received its final upgrades, we look back on Hubble’s most memorable images from space

(Courtesy of NASA)

A Supernova Mystery - June 30, 2000

(Courtesy of NASA)

What kind of star died on October 9, 1604? On that day, several observers spotted a supernova that was as bright as Mars. German astronomer Johannes Kepler was so taken with the sight that he wrote a book about it. Kepler’s supernova is thought to be the most recent star to explode in our Milky Way galaxy. Astronomers combined the forces of the Hubble, Spitzer Space Telescope, and the Chandra X-ray Observatory to see if they could identify the type of star that produced the explosion; they could not. But this rainbow photograph of the supernova remnant combines all the images. The different colors represent infrared radiation (red), visible light (yellow), and X-rays (blue/green).


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