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Alien planets might teem with purple — yes, purple — life
Then, they simulated the "light signatures" — the unique color and chemical fingerprints that would be visible in an alien planet's reflected light — and found these purple bacteria would ...
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‘Purple aliens’: Extraterrestrial life may not be green, reveals study
There are plenty of organisms here that behave like aliens ... a planet brimming with life looks like ours, but that’s not ...