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Author Question: Pulsating variable stars are useful in determining a. the mass of a star for which the distance ... (Read 73 times)

codyclark

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on: Jul 27, 2018
Pulsating variable stars are useful in determining
 
  a. the mass of a star for which the distance is known.
  b. the temperature of a star for which we know the luminosity.
  c. the radius of the bulge of our galaxy.
  d. the distance to globular clusters.
  e. the mass of the Milky Way galaxy.

Question 2

How does density divide the stars in the H-R diagram into three groups?
 
  What will be an ideal response?


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sultana.d

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

d

Answer to Question 2

Density divides stars into three groups. Most stars are main-sequence stars with densities like the Sun's. Giants and supergiants are very-low-density stars, and white dwarfs are high-density stars.


codyclark

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Reply 2 on: Jul 27, 2018
:D TYSM

Dominic

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Reply 3 on: Yesterday
Wow, this really help

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