Based on our current understanding of physics, we can understand ...

[faduma]

Based on our current understanding of physics, we can understand the conditions that prevailed in the early universe as far back in time as about ________.
 
  A) 10 billion years ago B) 10-45 seconds after the Big Bang
  C) one ten-billionth of a second after the Big Bang D) 380,000 years after the Big Bang

Question 2

What is a so-called hot Jupiter?
 
  A) a planet with a mass and composition similar to what we would expect if Jupiter were hotter
  B) a planet with a mass similar to Jupiter but very close to the central star and therefore hot
  C) a planet with a mass similar to Jupiter but composition similar to Mercury
  D) a Jupiter mass planet orbiting a star that is more massive and hotter than the Sun

[Jayson]

Answer to Question 1

C

Answer to Question 2

B

[faduma]

Great answer, keep it coming

[DylanD1323]

YES! Correct, THANKS for helping me on my review