Chapter 17 Flashcards
1
Q
SETI
A
Search for Extraterrestrial Intelligence:
A (mostly) private funded agency searching for evidence of intelligent alien civilizations through the detection of radio signal.
2
Q
Beacon
A
A purposefully sent radio signal.
3
Q
Leakage Radiation
A
Radiation which is accidentally “leaked” through the production of television and radio signals.
4
Q
Sagan-Drake Equation
A
A probability-based equation for determining the number of intelligent civilizations in our galaxy. Some of the factors are well known, and some are guesses.
5
Q
Convergent Evolution
A
Separate species can develop similar traits to adapt to similar environmental obstacles.
6
Q
Encephalization Quotient
A
A measure of intelligence which compares brain size to body size.
