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Author Question: From a theoretical standpoint, what is a pulsar? A) a star that alternately expands and contracts ... (Read 39 times)

Capo

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on: Jul 27, 2018
From a theoretical standpoint, what is a pulsar?
 
  A) a star that alternately expands and contracts in size
  B) a rapidly rotating neutron star
  C) a neutron star or black hole that happens to be in a binary system
  D) a binary system that happens to be aligned so that one star periodically eclipses the other
  E) a star that is burning iron in its core

Question 2

What is the average temperature of the surface of the Sun?
 
  A) 1 million K
  B) 100,000 K
  C) 10,000 K
  D) 6,000 K
  E) 1,000 K


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sailorcrescent

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

B

Answer to Question 2

D


Capo

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

matt95

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Reply 3 on: Yesterday
Excellent

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