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- In its observation mode, Gaia spins once every six hours, sweeping its two telescopes across the entire sky and focusing the light it gathers onto a single digital camera—the largest flown in space—with nearly a billion pixels (106 CCDs each with 4,500 × 1,996 pixels).
science.nasa.gov/mission/gaia
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Dec 12, 2013 · ESA's Gaia mission will produce an unprecedented 3D map of our Galaxy by mapping, with exquisite precision, the position and motion of a billion stars. The key to this is the billion-pixel...
- 4 min
- 181.5K
- European Space Agency, ESA
Dec 19, 2013 · 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 unaided human eye can see.
Dec 19, 2013 · In its observation mode, Gaia spins once every six hours, sweeping its two telescopes across the entire sky and focusing the light it gathers onto a single digital camera—the largest flown in space—with nearly a billion pixels (106 CCDs each with 4,500 × 1,996 pixels).
- European Space Agency (ESA)
- Gaia
- Sun-Earth L2 Lagrange Point
- 4,473 pounds (2,029 kilograms)
How precise are Gaia’s measurements? Gaia detects and measures celestial objects (stars, galaxies, quasars and Solar-System bodies) down to magnitude 20.5, about 650,000 times fainter than an unaided eye can see.
Inside Gaia's billion pixel camera. ESA's Gaia mission will produce an unprecedented 3-d map of our Galaxy by measuring, with exquisite precision, the position and motion of one billion stars. The key to this is the billion-pixel camera at the heart of its dual telescope system.
Jun 13, 2022 · The European Space Agency's (Esa) Gaia satellite was launched in 2013 and placed a million miles from Earth. It looks a bit like a spinning top hat. And as it rotates, the telescope uses its...
Gaia was completed two years behind schedule and 16% above its initial budget, mostly due to the difficulties encountered in polishing Gaia 's ten silicon carbide mirrors and assembling and testing the focal plane camera system.
