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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 49 times)

olgavictoria

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

B

Answer to Question 2

TRUE


olgavictoria

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Reply 2 on: Jul 27, 2018
Excellent

pratush dev

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Reply 3 on: Yesterday
Wow, this really help

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