ESA’s Gaia Spacecraft Wraps Up Revolutionary Milky Way Mapping Mission
ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.
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 ...
Space on MSN12d
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.
ScienceAlert10d
Gaia's Farewell Gift Is The Best Milky Way Map We've Ever Seen
We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.
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 ...
The Conversation5d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they were independent galaxies, extremely large and distant. At the time ...
'Enticing empire of stars:' See Andromeda galaxy in newly released NASA images
About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...