What is the fate of an isolated brown dwarf? A) It will become ...

[tfester]

What is the fate of an isolated brown dwarf?
 
  A) It will become a black hole.
  B) It will become a white dwarf.
  C) It will slowly evaporate to nothing.
  D) It will become a neutron star.
  E) It will remain a brown dwarf forever.

Question 2

Which of the following methods has led to the most discoveries of extrasolar planet candidates?
 
  A) detecting the shift of the star's position against the sky due to the planet's gravitational pull
  B) detecting the infrared light emitted by the planet
  C) detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
  D) detecting a planet ejected from a binary star system
  E) detecting the dip in measured brightness as the planet crosses our line of sight to the star

[ong527]

Answer to Question 1

E

Answer to Question 2

E

[tfester]

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[ong527]

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