Murray Gell-Mann Quote: No.17
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Planets are too dim to be detected with existing equipment, far away, except in these very special circumstances where they're seen by their gravitational effect. Murray Gell-Mann | Refcard PDF ↑
Planets are too dim to be detected with existing equipment, far away, except in these very special circumstances where they're seen by their gravitational effect. Murray Gell-Mann | Refcard PDF ↑