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Author Question: All RR Lyrae stars have about the same: A) period of six hours. B) distance of 32 light years. ... (Read 90 times)

Pineappleeh

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on: Jul 27, 2018
All RR Lyrae stars have about the same:
 
  A) period of six hours.
  B) distance of 32 light years.
  C) galactic location and speed.
  D) luminosity of about 100 Suns.
  E) locations in the centers of globular star clusters.

Question 2

A protostar of 20 solar masses should form a star that will stay on the main sequence twenty times longer than our Sun.
 
  Indicate whether the statement is true or false


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fatboyy09

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

D

Answer to Question 2

FALSE


Pineappleeh

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Reply #2 on: Jul 27, 2018
Thanks


fatboyy09

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Reply #3 on: Jul 27, 2018
Welcome :)


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