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2 Stories Published
NASA
Physics
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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…
News
7m
Roman Space Telescope: First Light and What Comes Next
The Roman Space Telescope saw its first starlight in mid-September, and the stars looked like donuts. That sounds like a malfunction. It…