News tagged with gaia

Image: Cloudy with a chance of protons

ESA's Gaia mission, in orbit since December 2013, is surveying more than a thousand million stars in our Galaxy, monitoring each target star about 70 times over a five-year period and precisely charting their positions, distances, ...

dateOct 26, 2017 in Astronomy
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Gaia sky mapper image near the galactic center

Gaia, ESA's billion-star surveyor, is detecting stars and measuring their properties in order to build up the most precise 3-D map of the Milky Way. By accurately measuring the motion of each star, astronomers will be able ...

dateSep 04, 2017 in Astronomy
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Image: Gaia's first full-colour all-sky map

While surveying the positions of over a billion stars, ESA's Gaia mission is also measuring their colour, a key diagnostic to study the physical properties of stars. A new image provides a preview of Gaia's first full-colour ...

dateAug 16, 2017 in Astronomy
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Artificial brain helps Gaia catch speeding stars

With the help of software that mimics a human brain, ESA's Gaia satellite spotted six stars zipping at high speed from the centre of our galaxy to its outskirts. This could provide key information about some of the most obscure ...

dateJun 26, 2017 in Astronomy
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Travel 5 million years into the Milky Way's future

Gaze into Gaia's crystal ball and you will see the future. This video shows the motion of 2,057,050 stars in the coming 5 million years from the Tycho-Gaia Astrometric Solution sample, part of the first data release of European ...

dateMay 01, 2017 in Astronomy
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Image: Gaia satellite sky scan

This may look like a brightly decorated Easter egg wrapping, but it actually represents how ESA's Gaia satellite scanned the sky during its first 14 months of science operations, between July 2014 and September 2015.

dateApr 11, 2017 in Astronomy
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