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Astronomy & science
Telescopes, discoveries, planets, stars and the universe beyond.
Astronomy & science · 9h ago
A Dutch schoolteacher clicking through galaxy images on a volunteer website in 2007 flagged a green smudge she couldn’t identify and asked what it was. It turned out to be a cloud of gas lit by a quasar that had already switched off, and astronomers named the object after her.
Astronomy & science · yesterday