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Author Question: List at least three of the notable exceptions to the general patterns of the solar system. What ... (Read 78 times)

kellyjaisingh

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on: Jul 27, 2018
List at least three of the notable exceptions to the general patterns of the solar system.
 
  What will be an ideal response?

Question 2

How can the age of a star cluster be found from its H-R diagram?
 
  What will be an ideal response?


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steff9894

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

Several possibilities: (a) The rotational axes of Uranus and Pluto are substantially tilted. (b) Venus rotates backward, that is, clockwise. (c) Unlike other terrestrial planets, Earth has a large moon. (d) Some of the moons of the jovian planets orbit in the opposite direction.

Answer to Question 2

The older the cluster is, the farther down the main sequence the turn-off point to the giant stage will fall, and the fewer of the hot blue stars to the top left of the H-R diagram will be left. For the oldest clusters, red supergiants will be their brightest members; the more massive blue stars either evolved or exploded.


kellyjaisingh

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


steff9894

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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