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Author Question: Which pulsate faster? a. lower mass, smaller stars b. higher mass, larger stars c. dimmer, ... (Read 108 times)

kamilo84

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on: Jul 27, 2018
Which pulsate faster?
 
  a. lower mass, smaller stars b. higher mass, larger stars
  c. dimmer, smaller stars d. brighter, smaller stars

Question 2

________ are small dark nebulae about 1 light-year in diameter that contain 10 to 1,000 solar masses.
 
  a. HI regions
  b. HII regions
  c. Emission nebulae
  d. Bok globules
  e. Reflection nebulae


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billybob123

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

a
RATIONALE: Brighter, smaller stars are like white dwarfs. Dimmer, smaller stars could be M dwarfs, for example. Neither set passes through the instability strip.

Answer to Question 2

d


kamilo84

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

meganmoser117

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Reply 3 on: Yesterday
Wow, this really help

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