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)

Light Echo - February 8, 2004

Red supergiant V838 Monocerotis
(Courtesy of NASA)

The light from a distant sun can take thousands of years to reach Earth. Looking at the night sky is like watching ghosts—some of the stars may have burnt out long ago. In 2004, Hubble captured a light burst from the star V838 Monocerotis, a red supergiant on the outer edge of our Milky Way. The light pulse, which illuminates the dust clouds surrounding the star, took place 20,000 years ago.


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