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Author Question: The Milky Way Galaxy is a. a spiral galaxy. b. part of a cluster of galaxies that contains a few ... (Read 65 times)

newyorker26

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on: Jul 27, 2018
The Milky Way Galaxy is
 
  a. a spiral galaxy.
  b. part of a cluster of galaxies that contains a few dozen galaxies.
  c. about 80,000 light years in diameter.
  d. All of the other choices are correct.

Question 2

If the distance to the nearest star is 4.2 light-years, then
 
  a. the star is 4.2 million AU away.
  b. the light we see left the star 4.2 years ago.
  c. the star must have formed 4.2 billion years ago.
  d. the star must be very young.
  e. the star must be very old.


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underwood14

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

d

Answer to Question 2

b


newyorker26

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

rleezy04

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Reply 3 on: Yesterday
Wow, this really help

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