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 ...
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.
Space.com14d
100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone
100 years ago, Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help. If we could go back 101 years, we would encounter a time when ...
Twisted Sifter on MSN2mon
The Milky Way Has Already Started The Process Of Colliding With The Andromeda Galaxy, An Event Previously Predicted To Be Four Billion Years Away
The universe is filled with galaxies, including our own Milky Way. When pictured, galaxies appear like fairly set areas with ...