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.
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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, ...
The Gaia satellite, a fantastic star tracker, retires
The European satellite, launched in 2013, has exhausted its gas reserves and is preparing to return to a stable orbit before being 'passivated.' But while the data collection that revolutionized ...
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“There are hundreds of them” – NASA discovers huge black holes roaming space
According to NASA, "there are hundreds of them"—massive black holes roaming space. It is now emerging and reshaping the ...
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Black Holes
according to preliminary research Sara Hashemi The energetic streams are together 23 million light-years in length—roughly as long as 140 Milky Way galaxies lined end to end Shi En Kim The black ...
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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 ...