ESA - Gaia overview - European Space Agency
Gaia is mapping the stars from an orbit around the Sun, at a distance of 1.5 million km beyond Earth’s orbit. This special location, known as the L2 Lagrangian point, keeps pace with Earth as we orbit the Sun.
Gaia - NASA Science
2013年12月19日 · Gaia, the Global Astrometric Interferometer for Astrophysics, is a European Space Agency astronomical observatory mission. Its goal is to create the largest, most precise three-dimensional map of the Milky Way by surveying about 1% of the galaxy’s 100 billion stars.
Gaia space telescope discovers 55 'runaway' careening away from …
2024年10月10日 · Using the Gaia space telescope, astronomers have observed 55 massive stars ejected from their home star cluster in the Large Magellanic Cloud at speeds equivalent to 80 times the speed of sound.
ESA Science & Technology - Gaia
Gaia is an ambitious mission to chart a three-dimensional map of our Galaxy, the Milky Way, in the process revealing the composition, formation and evolution of the Galaxy. Gaia will provide unprecedented positional and radial velocity measurements with the accuracies needed to produce a stereoscopic and kinematic census of about one billion ...
Gaia (spacecraft) - Wikipedia
Gaia is a space observatory of the European Space Agency (ESA), launched in 2013 and expected to operate until 2025.
ESA - Gaia - European Space Agency
Gaia is creating an extraordinarily precise three-dimensional map of more than a thousand million stars throughout our Milky Way galaxy and beyond, mapping their motions, luminosity, temperature and composition.
ESA - Gaia factsheet - European Space Agency
2013年12月19日 · Gaia is equipped with the largest digital camera ever carried into space with nearly one billion pixels. By comparison, smart phone cameras have around 10 million pixels. Gaia is detecting celestial objects that are a million times fainter than the …
ESA Science & Technology - Summary - European Space Agency
2019年9月1日 · The main goal of the Gaia mission is to make the largest, most precise three-dimensional map of our Galaxy by surveying an unprecedented one per cent of the galaxy's population of 100 billion stars.
Gaia telescope's new data reveals 'goldmine' of undiscovered stars | Space
2023年10月10日 · New data from the Gaia space telescope are a cosmic goldmine, including never-seen-before stars, 380 gravity-lensed quasars, and the orbits of over 150,000 asteroids.
Gaia space telescope helps astronomers image hidden objects …
2024年6月21日 · The Gaia space telescope has spotted the dim companions of eight bright stars, suggesting we can expect new glimpses of distant planets.