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Author Question: Which of the following are the jovian planets? A) Jupiter, Saturn, Uranus, Neptune, and Pluto B) ... (Read 90 times)

kfurse

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on: Jul 27, 2018
Which of the following are the jovian planets?
 
  A) Jupiter, Saturn, Uranus, Neptune, and Pluto
  B) only Jupiter
  C) only Jupiter and Saturn
  D) Jupiter, Saturn, Uranus, and Neptune only
  E) everything past Mars and the asteroid belt

Question 2

How do we know what happens at the event horizon of a black hole?
 
  A) Physicists have created miniature black holes in the lab.
  B) Astronomers have sent spacecraft through the event horizon of a nearby black hole.
  C) Astronomers have analyzed the light from matter within the event horizon of many black holes.
  D) Astronomers have detected X-rays from accretion disks around black holes.
  E) We don't know for sure: we only know what to expect based on the predictions of general relativity.


abctaiwan

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


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