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ESA Gaia Profile picture
ESA Gaia
@ESAGaia
Science with 1 billion objects in three dimensions
Apr 22 • 7 tweets • 4 min read
Though Gaia will not detect Earth-like planets, its discoveries will complement the existing population, helping to understand the variety of the exoplanet zoo. Our story today on Gaia's contribution to discovering distant worlds: cosmos.esa.int/web/gaia/iow_2…
Over 5000 exoplanets were discovered so far. Gaia detects + discovers exoplanets as well, but needs a sufficiently long time span of observations to distinguish them. Soon, with #GaiaDR4, Gaia is expected to unveil thousands of new planets! cosmos.esa.int/web/gaia/iow_2…
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Sep 12, 2022 • 22 tweets • 14 min read
11th and 12th highlight of the #GaiaDR3 data products, covering Gaia's extragalactic content. Today, #GaiaDPAC Extended Objects team is meeting at @CNES to discuss future Gaia releases. Learn in this thread about the published galaxies & quasars in #GaiaDR3 👇🏼 The story on #GaiaDR3 galaxies can be found here: cosmos.esa.int/web/gaia/dr3-g…, the story on the published quasars is available here: cosmos.esa.int/web/gaia/dr3-q…. These stories are part of a set of 20 stories describing the many #GaiaDR3 data products.
Mar 16, 2022 • 6 tweets • 5 min read
On 18 February, Gaia observed the @csa_asc/@ESA_Webb/@NASAWebb space telescope! Find all details of this operation here: cosmos.esa.int/web/gaia/iow_2… @csa_asc @ESA_Webb @NASAWebb Gaia orbits the Lagrange point L2 with a Lissajous orbit, while Webb orbits L2 with a halo orbit. L2 is located at ~1.5 million km from Earth in the direction opposite the Sun. We share here a visualisation of both orbits, as created with @GaiaSky_Dev