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Author Question: Which of the following contributes to Venus being so hot? A) It is closer than Earth to the Sun. ... (Read 31 times)

BrownTown3

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on: Jul 27, 2018
Which of the following contributes to Venus being so hot?
 
  A) It is closer than Earth to the Sun.
  B) Its atmosphere is much denser than the Earth's.
  C) Its atmosphere is made chiefly of carbon dioxide.
  D) It has very little axial tilt so the equator is always directly exposed to the Sun.
  E) All of the above are factors.

Question 2

How can Wein's law be used to determine the temperature of a star?
 
  What will be an ideal response?


Ksh22

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

E

Answer to Question 2

Careful analysis of the blackbody curve of the star's entire radiation spectrum will reveal a peak that is unique to a given photospheric temperature. Basically, the bluer the star's radiation, the hotter its surface will be.


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