earth2d
100 years ago: Edwin Hubble proved the Milky Way is not the only galaxy in the universe
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
Space on MSN19d
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.
7 mesmerising images of universe captured by NASA
The Godzilla Nebula is a cloud of gas and dust in the constellation Sagittarius that was imaged by NASA's Spitzer Space Telescope. The star cluster Pismis 24 lies within the much larger emission ...
earth2d
Two enormous "bubbles" discovered towering above and below our Milky Way galaxy
In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young 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 ...
Galactic Center: This panorama provides an unprecedented X-ray view above and below the center of the Milky Way.
From vibrant star-forming nebulae to supernova explosions, check out these 7 astonishing images of deep space shared by NASA.
Gizmodo23d
Milky Way’s Black Hole Just Lit Up in a Way We’ve Never Seen Before
Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for ... objects in our universe. The Event Horizon ...
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, ...
Houston Chronicle13d
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 ... who had argued that the Milky Way encompassed the entire universe. “Here is the letter that destroyed my universe,” Shapley ...