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Author Question: What is the transit method of finding extrasolar planets? A) measuring the spectrum of the star ... (Read 27 times)

jwb375

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on: Jul 27, 2018
What is the transit method of finding extrasolar planets?
 
  A) measuring the spectrum of the star for a periodic variation in its Doppler shift
  B) monitoring a star to detect periodic dips in its brightness from the planet passing behind the star
  C) monitoring a star to detect periodic dips in its brightness from the planet passing in front of the star
  D) observing a star during the rare occasion of another star passing directly in front of it; slight changes in how the light is bent by gravity can indicate the presence of planets around the closer star

Question 2

The total number of stars in the observable universe is about ________.
 
  A) the same as the number of grains of sand on all the beaches on Earth
  B) the same as the number of grains of sand in a school sandbox
  C) 100 billion
  D) the same as the number of atoms that make up the Earth


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Melissahxx

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

C

Answer to Question 2

A


jwb375

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

AmberC1996

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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