Gaia’s new data takes us to the Milky Way’s anticentre and beyond

Gaia s stellar motion for the next 400 thousand years pillars

Far out news from the European Space Agency.

Astronomers from the Gaia Data Processing and Analysis Consortium (DPAC) saw the evidence of the Milky Way’s past by looking at stars in the direction of the galaxy’s ‘anticentre’. This is in the exact opposite direction on the sky from the centre of the galaxy.

The results on the anticentre come from one of the four ‘demonstration papers’ released alongside the Gaia data. The others use Gaia data to provide a huge extension to the census of nearby stars, derive the shape of the Solar System’s orbit around the centre of the galaxy, and probe structures in two nearby galaxies to the Milky Way. The papers are designed to highlight the improvements and quality of the newly published data.

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