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Books
If The Universe Is Teeming With Aliens ... Where Is Everybody?
Fifty Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life »
Fifty Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life »
Measuring the Universe
This text on cosmological distance begins by explaining distance determinism on Earth and then climbs the rungs of the distance ladder to the most distant ob... »
This text on cosmological distance begins by explaining distance determinism on Earth and then climbs the rungs of the distance ladder to the most distant ob... »
