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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Kaetlynrenae Kaetlynrenae
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6 years ago
To _____ is to make observations of reference objects, checks on instrument performance, and calculations of units conversations, needed to completely understand measurement of unknown quantities.
 
  A) validate
  B) verify
  C) calibrate
  D) standardize

Question 2

__________is the spherical region of a spiral galaxy, containing a thin scattering of stars, star clusters, and small amounts of gas.
 
  A) A halo
  B) The central bulge
  C) The disk component
  D) A spiral tracer

Question 3

The center of the Milky Way is in _____.
 
  A) Sagittarius
  B) Aquarius
  C) Perseus
  D) Libra

Question 4

Which of the following statements is true of Sagittarius A?
 
  A) It is a powerful source of radio energy.
  B) It is the largest constellation in our sky.
  C) It is the smallest constellation in our sky.
  D) It has a mass of less than 2 million solar masses.

Question 5

_____ is the site of most of the star formation in the Milky Way Galaxy.
 
  A) The disk component
  B) The spherical component
  C) The central bulge
  D) A large halo
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bvillan1bvillan1
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6 years ago
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Kaetlynrenae Author
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#2
6 years ago
This helps so much, thank you for responding so quickly...
wrote...
#3
6 years ago
No worries, I was online and bored Grinning Face with Smiling Eyes
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