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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What will happen to the solar system when the Milky Way and Andromeda Galaxy merge?
What will happen to the solar system when the Milky Way completes the merger with the Andromeda Galaxy? Bryan ...
7 beautiful photos of Milky Way shared by NASA
The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.
NASA's Webb telescope observes violence around Milky Way's central black hole
While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other ...
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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!.