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Gaia goes to L2 – what’s an “ell-two”?

Just like observatories on Earth, space observatories like Gaia like it quiet and dark. In space “quiet and dark” means far away from Earth. At large distances from Earth, the motion of spacecraft are...

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Gaia lift-off time

Launching a satellite seems fairly simple: put it onto a rocket and launch it into space. Of course it’s a bit more complicated than this and some missions are more complex than others. In the case of...

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#FirstVideo: Gaia seen in space

Last night, Nick James, based in the UK, captured some fantastic views of Gaia as it departed Earth en route to L2, about 1.5 million km away from Earth opposite the Sun. The video acquired at about...

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… and we got there!

ESA’s billion-star surveyor Gaia is now in its operational orbit around a gravitationally stable virtual point in space called ‘L2’, 1.5 million km from Earth. Soyuz VS06, with Gaia space observatory,...

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