Jerry
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Welcome! (start here)
Colon (punctuation)
Colon Classification (1933 CC)
PMEST (Personality Matter Energy Space Time)
Space
Outer Space
Astronomy
Astrophysics
Astrophysicists
Frank Drake
Attachments
Frank Drake - Wikipedia, the free encyclopedia
Parents
Arecibo Observatory (1963)
Astrophysicists
SETI (Search for Extra-Terrestrial Intelligence)
Children
A Rip in the Fabric of Interstellar Dreams
Arecibo Message (1974)
Drake Equation (1961 nope life is common)