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2 Stories Published
Dark energy
Physics
8m
Roman Space Telescope’s First Test Image: Why Green Rings Mean It Works
The Roman Space Telescope switched on its 300-megapixel camera and returned a field of green doughnuts. Here is why defocused stars mean…
Science
8m
Rubin Observatory LSST Begins: A Ten-Year Movie of the Southern Sky, in Numbers
Rubin Observatory's ten-year survey began June 30, 2026, with a 3,200-megapixel camera, about 10 terabytes of data nightly and up to seven…