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Author Question: Tonight, your telescope shows you RXJ1800, a galaxy, very near in the sky to the bright star Vega. ... (Read 40 times)

abern

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on: Jul 27, 2018
Tonight, your telescope shows you RXJ1800, a galaxy, very near in the sky to the bright star Vega. What can you conclude from this observation?
 
  A) Vega and RXJ1800 must be very close to each other, less than a few light years.
  B) RXJ1800 and Vega will drift apart from each other on the sky, over a matter of nights.
  C) Vega orbits the center of mass of RXJ1800.
  D) RXJ1800 and Vega will set in the west, at very similar times.

Question 2

Type Sc are the dustiest and flattest of the galaxies.
 
  Indicate whether the statement is true or false


cswans24

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

D

Answer to Question 2

TRUE


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