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11464859
CCI02.07.01.- Why can't we see evidence of alien life?
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https://youtu.be/I2apGYUX7Q0
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cultura científica 4º eso 2º term
1.- astronomy
Quiz by
PEDRO ÁLVAREZ JIMÉNEZ
, updated more than 1 year ago
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Created by
PEDRO ÁLVAREZ JIMÉNEZ
over 6 years ago
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Resource summary
Question 1
Question
What has NASA's Kepler Mission discovered?
Image:
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Answer
Other carbon-based life forms in our galaxy
Unusual radio signals from other galaxies
Planets around nearby stars within our galaxy
Question 2
Question
According to Anderson, if we extrapolate the Kepler data, how many life-supporting planets could there be in our galaxy?
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Answer
Two dozen
Fifty million
Hundreds
Question 3
Question
In 1950, Enrico Fermi asked
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Answer
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?
Question 4
Question
Anderson says that possible answers to Fermi’s question include
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Answer
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
Question 5
Question
SETI recently made its data public in order to:
Image:
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Answer
Increase tourism revenue in various UFO hotspots
Engage citizen scientists to help with its work
Demonstrate its credibility to detractors
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