One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
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Hubble Space Telescope reveals richest view of Andromeda galaxy to date (image)
Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...
Exploring Andromeda’s past through Nasa’s Hubble Space telescope
Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most ...
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7 Breathtaking Images Of The Andromeda Galaxy Captured By NASA
Scientists predict Andromeda and the Milky Way will collide in about 4.5 billion years—reshaping the night sky forever!.