NilamJxalecaroll NilamJxalecaroll
  • 20-05-2017
  • Physics
contestada

Why is an understanding of light important to astronomers?

Respuesta :

BHmohammad
BHmohammad BHmohammad
  • 20-05-2017
- they use light's energy and momentum
- they need to understand the red shift and blue shift to know if they're moving away or towards objects
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