2022
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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SpaceX
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NASA
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ESA
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CNA
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Detailed explanation-1: -Gaia is an ongoing astronomical observatory mission launched in December 2013 by the European Space Agency (ESA) with the objective of creating the most accurate and complete 3D map of the Milky Way by surveying 1% or one billion of the galaxy’s 100 billion stars.
Detailed explanation-2: -Gaia is ESA’s mission to create the most accurate and complete multi-dimensional map of the Milky Way. This allows astronomers to reconstruct our home galaxy’s structure and past evolution over billions of years, and to better understand the lifecycle of stars and our place in the Universe.
Detailed explanation-3: -Gaia was launched by Arianespace, using a Soyuz ST-B rocket with a Fregat-MT upper stage, from the Ensemble de Lancement Soyouz at Kourou in French Guiana on 19 December 2013 at 09:12 UTC (06:12 local time).
Detailed explanation-4: -Gaia was launched from Europe’s Spaceport in French Guiana by a Soyuz-Fregat launch vehicle on 19 December 2013 (09:12:19 UTC). The chosen orbit was around the L2 Lagrange point of the Sun-Earth system, some 1.5 million km from Earth.