![]() “We'll see which stars have changed in brightness, and anything that has moved through the sky like asteroids and comets."Įach of the photos taken by the camera will encompass an area of the night sky equivalent to roughly 40 full moons. ![]() But almost more importantly, we'll get a time sequence,” Steven Kahn, an astrophysicist at SLAC and the director of the observatory, tells Jonathan Amos of BBC News. "We'll get very deep images of the whole sky. ![]() Once installed at the Rubin Observatory, the camera will spend the following decade surveying roughly 20 billion galaxies. ![]()
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