Sagittarius A was first noted due to its strong ________ ...

[lidoalex]

Sagittarius A was first noted due to its strong ________ emissions.
 
  A) radio B) X-ray C) ultraviolet D) infrared E) gamma ray

Question 2

In the Grand Unified Theory, the superforce was
 
  A) only dark energy.
  B) a union of the strong and weak nuclear, and electromagnetic forces.
  C) only in effect at low energies.
  D) a union of all matter and energy.
  E) a union of the weak and electromagnetic forces.

[CourtneyCNorton]

Answer to Question 1

A

Answer to Question 2

B

[lidoalex]

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[CourtneyCNorton]

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