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.
'Troublesome' radio galaxy 32 times the size of Milky Way spotted
Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.
Unexpected Findings: Scientists Reveal the Milky Way Is a Cosmic Outlier
Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...
Space on MSN10d
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.
earth4d
Hubble's new masterpiece took 10 years and captured 200 million stars in Andromeda
Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...
Mapping 2 billion stars: How Gaia transformed our view of the Milky Way
Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, ...
Inkathazo galaxy discovered that's 32 times bigger than Earth's Milky Way
The plasma jets of this cosmic giant span 3.3 million light-years from end to end - over 32 times the size of the Milky Way ...
Last starlight for Gaia as it completes sky-scanning mission phase
The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...
Farewell Gaia! ESA's Decade-Old Telescope Retires After Delivering Best Map Of The Milky Way
The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of ...
The Conversation3d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
These glass plates recorded images of the night sky using a light ... were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving ...