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Author Question: What is the eventual fate of a brown dwarf? A) It remains the same forever. B) It gradually ... (Read 39 times)

mynx

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on: Jul 27, 2018
What is the eventual fate of a brown dwarf?
 
  A) It remains the same forever.
  B) It gradually cools down and becomes ever dimmer.
  C) It gradually contracts and heats up until nuclear fusion ignites in its interior and it becomes a faint star.
  D) It becomes ever denser and hotter until it becomes a white dwarf.
  E) Gravity ultimately wins and it becomes a small black hole.

Question 2

How are T Tauri stars characterized observationally?
 
  A) by sudden changes in their brightness
  B) by very high temperatures
  C) by very high magnetic fields and large starspots
  D) by very rapid rotation
  E) They are newly-formed stars that are short period binaries.


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sailorcrescent

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

B

Answer to Question 2

A


mynx

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Reply 2 on: Jul 27, 2018
Excellent

kishoreddi

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Reply 3 on: Yesterday
:D TYSM

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