One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
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100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone
Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.
How astronomers used gravitational lensing to discover 44 new stars in distant galaxy
NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light ...
The Star That Proved the Universe Is Bigger Than We Imagined
Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...
NASA's Hubble traces hidden history of Andromeda galaxy
In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...
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Check Out the Hubble Space Telescope’s Stunning New View of the Andromeda Galaxy
The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...