In the early pre-dawn hours on December 19, 2013, with a rumble and a roar, a Soyuz rocket blazed through the clouds above the jungle-lined coast of French Guiana, ferrying ESA’s long-awaited Gaia spacecraft into orbit and beginning its mission to map the stars of the Milky Way. The fascinating time-lapse video above from ESA shows the Gaia spacecraft inside the clean room unfurling like a flower during its sunshield deployment test, the transfer of the Soyuz from the assembly building to the pad, and then its ultimate fiery liftoff.
That’s a lot going on in two minutes! But once nestled safely in its L2 orbit 1.5 million kilometers out, Gaia will have over five years to complete its work… read more here.
Credit: ESA–S. Corvaja, M. Pedoussaut, 2013. Source: ESA
It's axiomatic that the Universe is expanding. However, the rate of expansion hasn't remained the…
Don Pettit is one of the astronauts currently on board the International Space Station. He's…
We’ve already seen the success of the Ingenuity probe on Mars. The first aircraft to…
Since the discovery of the first exoplanet in 1992, thousands more have been discovered. 40…
Even if you knew nothing about astronomy, you'd understand that exploding stars are forceful and…
It seems that we are completely alone in the universe. But simple reasoning suggests that…