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A nebula is
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
To find out if a star is moving away from you, you would observe
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
Which type of galaxy holds the oldest stars in the universe?
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
Which of the following is not a known shape of a galaxy?
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
The known universe is approximately
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
Star clusters vary in the number of stars they contain. What is the approximate range for the number of stars found in an open cluster?
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
The Big Bang theory
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
What holds globular clusters of stars together?
red shift
a dense cloud of gas and dust in space
regular
states that the universe began with an event
13 billion years old
a few thousand
gravity
elliptical
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