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
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