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Author Question: Lobate scarps are very low and small disturbances on the surface of Mercury. a. True b. False ... (Read 246 times)

rachel9

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on: Jul 27, 2018
Lobate scarps are very low and small disturbances on the surface of Mercury.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Why is the Cepheid's period related to their luminosity?
 
  What will be an ideal response?


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leahchrapun

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

False

Answer to Question 2

The longer-period Cepheids are about 40,000 times more luminous than the Sun, and very massive stars, whereas the shortest-period Cepheids are only a few hundred times more luminous than the Sun, and lower mass stars.


rachel9

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Reply #2 on: Jul 27, 2018
TY


leahchrapun

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Reply #3 on: Jul 27, 2018
You're welcome


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