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Author Question: In what range of masses are most stars found? What about the range in luminosity? How are they ... (Read 171 times)

erika

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on: Jul 27, 2018
In what range of masses are most stars found? What about the range in luminosity? How are they related?
 
  What will be an ideal response?

Question 2

From its orbit, we now recognize Pluto as one of the largest members of the
 
  A) moons of Neptune.
  B) asteroid belt.
  C) Kuiper Belt.
  D) Oort Cloud.
  E) Zodiacal Belt.


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vickyvicksss

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

To shine as a main sequence star, the mass needs to be at least .08 solar masses; the most massive known are rarely more than 20 solar masses. By contrast the least luminous stars are about 10,000 times fainter, and the most luminous ones close to a million times brighter than the Sun. The relationship is approximately that luminosity is equal to about the fourth power of the mass for main sequence stars.

Answer to Question 2

C


erika

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Reply 2 on: Jul 27, 2018
Gracias!

FergA

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Reply 3 on: Yesterday
Wow, this really help

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