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Author Question: You discover that a nearby star, very similar to the Sun, has a velocity curve that has a period of ... (Read 60 times)

olgavictoria

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You discover that a nearby star, very similar to the Sun, has a velocity curve that has a period of 6 months, induced by the orbit of a planet. You infer that
 
  A) the planet's orbit radius is greater than 1 AU.
  B) the planet's orbit radius is less than 1 AU.
  C) the planet's orbit radius cannot be determined based on the information provided.
  D) the planet's orbit radius is about 1 AU.

Question 2

Sunsets are red because sunlight must pass through more atmosphere then, and the atmosphere scatters even more light at bluer wavelengths, leaving mostly red light to color the sky.
 
  Indicate whether the statement is true or false



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Jadwiga9

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Answer to Question 1

B

Answer to Question 2

TRUE




olgavictoria

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Reply 2 on: Jul 27, 2018
:D TYSM


AngeliqueG

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Reply 3 on: Yesterday
Wow, this really help

 

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