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Author Question: How are standard candles used to measure distance? What will be an ideal ... (Read 37 times)

tnt_battle

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on: Jul 27, 2018
How are standard candles used to measure distance?
 
  What will be an ideal response?

Question 2

An atom that has gained one or more electrons is called an isotope.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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enass

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

A standard candle is an object with a known luminosity or absolute magnitude. Distance can be found by comparing the absolute and apparent magnitudes using the magnitude-distance relation.

Answer to Question 2

False


tnt_battle

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Reply 2 on: Jul 27, 2018
Wow, this really help

Laurenleakan

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Reply 3 on: Yesterday
Excellent

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