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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Nwere Nwere
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6 years ago
The critical temperature the core must reach for a star to shine by fusion is
 
  A) 5,800 K.
  B) 11,000 K.
  C) 127,000 K.
  D) 10 million K.
  E) 100 million K.

Question 2

The birthplaces of stars correspond to the ________ clouds in the interstellar medium.
 
  Fill in the blank(s) with correct word

Question 3

Explain how gas in a protostellar disk spirals onto the central star.
 
  What will be an ideal response?

Question 4

Viewed from Pluto, the Sun would appear more than a thousand times fainter than on Earth.
 
  Indicate whether the statement is true or false

Question 5

Comet impacts might have been a good mechanism for seeding the hot early Earth with the water and molecules of life.
 
  Indicate whether the statement is true or false

Question 6

Who first attempted to find our position in the Galaxy, how did he do this, and why was his model flawed?
 
  What will be an ideal response?
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Jfiscella88Jfiscella88
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6 years ago
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Nwere Author
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6 years ago
Good timing, thanks!
annielin111
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Yesterday
This helped my grade so much Perfect
tcat
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2 hours ago
Helped a lot
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