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Author Question: We are not yet capable of detecting life on planets around other stars. But as our technology ... (Read 197 times)

EY67

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We are not yet capable of detecting life on planets around other stars. But as our technology develops, our first real chance of detecting such life will probably come from ________.
 
  A) determining the orbital properties of the planets
  B) examining high-resolution images of the planets made by orbiting telescopes
  C) examining spectral lines from the atmospheres of distant planets
  D) sending spacecraft to study the planets up close

Question 2

What do we mean by a geocentric model of the universe?
 
  A) a model of the Milky Way Galaxy that has our solar system located at its center
  B) a model designed to explain what we see in the sky while having the Earth orbit the Sun
  C) the name given to sphere-shaped models that show all the constellations as they appear in our sky on the celestial sphere
  D) a model designed to explain what we see in the sky while having the Earth located in the center of the universe



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wtf444

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Answer to Question 1

C

Answer to Question 2

D





 

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