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Author Question: Which of these events is NOT possible? A) low-mass stars swelling up to produce planetary nebulae ... (Read 20 times)

littleanan

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on: Jul 27, 2018
Which of these events is NOT possible?
 
  A) low-mass stars swelling up to produce planetary nebulae
  B) red giants exploding as Type II supernovae
  C) close binary stars producing recurrent novae explosions
  D) white dwarfs and companion stars producing recurrent Type I supernova events
  E) a white dwarf being found in the center of a planetary nebula

Question 2

A merger between two large galaxies of comparable size will most likely produce:
 
  A) two small elliptical galaxies.
  B) a large elliptical galaxy.
  C) a small elliptical galaxy and a small spiral galaxy.
  D) a large spiral galaxy.
  E) a small elliptical galaxy and a large spiral galaxy.


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chreslie

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

D

Answer to Question 2

B


littleanan

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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