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Author Question: A standard candle is ________. A) a light source of known luminosity B) a 7-cm-long wax candle ... (Read 65 times)

Pineapplelove6

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A standard candle is ________.
 
  A) a light source of known luminosity B) a 7-cm-long wax candle
  C) another name for a main-sequence star D) another name for a barred-spiral galaxy

Question 2

The rotation curve for our Galaxy shows stars beyond the Sun moving more slowly than expected.
 
  Indicate whether the statement is true or false



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josephsuarez

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Answer to Question 1

A

Answer to Question 2

FALSE




Pineapplelove6

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


marict

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Reply 3 on: Yesterday
:D TYSM

 

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