Tag Archives: habitable zone

Last century astrobiology from ‘instant expert’ Caleb Sharf

Astrobiology “Instant Expert” sneers at panspermia What to make of Caleb Sharf, head of an Astrobiology Centre in New York, brought in by New Scientist as an “instant expert” (New Scientist, 7 May 2011)? He seems ‘expert’ only in the … Continue reading

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