What has NASA's Kepler Mission discovered?
Other carbon-based life forms in our galaxy
Unusual radio signals from other galaxies
Planets around nearby stars within our galaxy
According to Anderson, if we extrapolate the Kepler data, how many life-supporting planets could there be in our galaxy?
Two dozen
Fifty million
Hundreds
In 1950, Enrico Fermi asked
How can we be certain that extraterrestrials haven’t already colonized Earth at some point in its history?
What do we mean by “intelligent life”?
Where is everybody?
Anderson says that possible answers to Fermi’s question include
Aliens have existed, but they destroyed themselves before we came on the scene
We’re not looking hard enough
They’re communicating in ways we can’t currently detect
SETI recently made its data public in order to:
Increase tourism revenue in various UFO hotspots
Engage citizen scientists to help with its work
Demonstrate its credibility to detractors
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