Astronomy & Space Science · Astrobiology
Panspermia
A topic within Astrobiology, itself one of 8 topics in that field and part of Astronomy & Space Science.
Reading for Astrobiology
1Then
Assumes you know the vocabulary.
- BookRare EarthPeter Ward & Donald Brownlee, 2000
Argues microbial life may be common while complex life is vanishingly rare — influential, and disputed at nearly every step.