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Author Question: Lobate scarps are very low and small disturbances on the surface of Mercury. a. True b. False ... (Read 187 times)

rachel9

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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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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.





 

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