Multiple Choice
A typical galaxy is a ________.
A) collection of a few hundred million to a trillion or more stars, bound together by gravity
B) large, glowing ball of gas powered by nuclear energy
C) nearby object orbiting a planet
D) relatively small, icy object orbiting a star
E) system consisting of one or a few stars orbited by planets, moons, and smaller objects
Correct Answer:
Verified
Correct Answer:
Verified
Q7: One light-hour is the distance that light
Q8: Which of the following is smallest?<br>A)size of
Q15: Based on the idea of "spaceship Earth,"
Q28: Which of the following statements about the
Q32: Wendy measures a recession velocity for two
Q37: According to current scientific estimates, when did
Q49: The number of stars in the Milky
Q69: When we look at an object that
Q88: Which of the following has your "cosmic
Q95: Which statement about motion in the universe