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.
Astronomy on MSN1d
The best objects to view and photograph along the Milky Way
Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.
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One large Milky Way galaxy or many galaxies? 100 years ago, 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 ...
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 ...
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, ...
Peculiar icy objects in outer reaches of the Milky Way perplex astronomers
A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...
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, ...
SFGate13d
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 ...