101 Galaxies Later: Why the Milky Way Stands Out in the Universe
New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...
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.
There could be a supermassive black hole in the Large Magellanic Cloud hurling stars at the Milky Way
Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.
Space on MSN6d
Gaia Mission Measures Metals In Milky Way Stars
Milky Way stars that are high and low in metallicity have been mapped by the ESA Gaia mission. Credit: ESA/Gaia/DPAC ...
Gaia Completes Its Stellar Odyssey, Leaving a Cosmic Legacy
The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...
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, ...
Space on MSN3d
Giant planet or 'failed star?' Newfound mystery world blurs the lines
"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...
Scans of seemingly empty space reveal black holes not far from earth
If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a ...
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Wobbling stars reveal giant companions
Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.