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Science-Related Homework Help Astronomy Topic started by: Ag566 on Mar 19, 2018



Title: While ionized hydrogen glows bright red, neutral hydrogen is transparent visibly and best studied ...
Post by: Ag566 on Mar 19, 2018
While ionized hydrogen glows bright red, neutral hydrogen is transparent visibly and best studied with 21-cm radio waves.
 
  Indicate whether the statement is true or false

Question 2

With respect to heavy elements, the stars of the Halo are ________ in metals.
 
  Fill in the blank(s) with correct word

Question 3

Molecular clouds are much warmer than typical interstellar gas clouds.
 
  Indicate whether the statement is true or false

Question 4

The critical density must include both matter and ________.
 
  Fill in the blank(s) with correct word


Title: While ionized hydrogen glows bright red, neutral hydrogen is transparent visibly and best studied ...
Post by: ustropics on Mar 19, 2018
Answer to q. 1

TRUE

Answer to q. 2

poor

Answer to q. 3

FALSE

Answer to q. 4

energy


Title: While ionized hydrogen glows bright red, neutral hydrogen is transparent visibly and best studied ...
Post by: Ag566 on Mar 19, 2018
Passed my quiz with this!


Title: While ionized hydrogen glows bright red, neutral hydrogen is transparent visibly and best studied ...
Post by: ustropics on Mar 19, 2018
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