Page history

DavidB4

also adding a category

DavidB4

spacing, ref section

DavidB4

expanding and clarifying slightly, adding a ref

Karajou

Reverted edits by BruceWills (talk) to last revision by Aschlafly

BruceWills

no edit summary

Aschlafly

wikify

TerryH

Reverted edits by Jumbo (Talk); changed back to last version by SharonS

Jumbo

no edit summary

SharonS

New page: An '''astrobiologist''' is a person who studies life on Earth and the possibilities for life in the universe.<ref>http://quest.arc.nasa.gov/projects/astrobiology/astroventure...