le mercredi 25 juillet 2018, à 09:12. Posté
par Erasmo
Can you put it on the scales, please? http://guanyembenetusser.org/directcarloansca-review-3e92.pdf directcarloans.ca review
"We can go so faint because we have a very large, state-of-the-art focal plane. These are the CCDs - essentially like the chip you have in your mobile phone camera. But whereas that chip is maybe 1cm by 1cm, in Gaia we have a mosaic of chips that make a focal plane of half a square metre."