What is the Fermi Paradox? A) Galactic civilizations, like ...

[storky111]

What is the Fermi Paradox?
 
  A) Galactic civilizations, like ours, seem forbidden by the laws of physics.
  B) Interstellar travel is possible yet would take an infinite amount of time because of relativistic time-dilation.
  C) Reasonable assumptions predict that a galactic civilization should have already arisen in the Milky Way. Yet, we have absolutely no evidence for it.
  D) The Drake equation predicts that there should be no intelligent life in the Milky Way. Yet, we exist.
  E) We would be unable to detect an Earth-like planet even at a distance of a few light years.

Question 2

Uranus and Neptune have methane clouds but Jupiter and Saturn do not. Which factor explains why?
 
  A) The stronger gravity on Jupiter and Saturn pulls methane downward so that it can't form clouds.
  B) Jupiter and Saturn do not contain any methane gas.
  C) The rapid rotation of Jupiter and Saturn prevents methane clouds from forming.
  D) Temperatures on Jupiter and Saturn are too high for methane to condense.

[ambernicolefink]

Answer to Question 1

C

Answer to Question 2

D

[storky111]

Thanks

[ambernicolefink]

Welcome