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Author Question: In the Doppler effect, a redshift of spectral lines shows us the source is receding from us. ... (Read 74 times)

Chloeellawright

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on: Jul 27, 2018
In the Doppler effect, a redshift of spectral lines shows us the source is receding from us.
 
  Indicate whether the statement is true or false

Question 2

Suppose the entire solar nebula had cooled to a very low temperature before the solar wind cleared it away. Do you think Earth would be the same? Why or why not?
 
  What will be an ideal response?


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Danny Ewald

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

TRUE

Answer to Question 2

Ices would have condensed in the inner solar system, significantly increasing the size and mass (or possibly number) of terrestrial planets. Water and other hydrogen compounds would be much more abundant.


Chloeellawright

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Reply 2 on: Jul 27, 2018
Wow, this really help

juliaf

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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