Which of the following best describes poor clusters?
A) They contain lots of young stars and are found in the disk of a spiral galaxy.
B) They contain more than 1000 galaxies and are generally elliptical in shape.
C) They contain fewer than 1000 galaxies and have irregular shapes.
D) They are found in the nucleus of the galaxy.
Correct Answer:
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Q1: When does gravitational lensing occur?
A)when light passes
Q2: Which of the following types of objects
Q3: What does the term "galactic cannibalism" refer
Q5: What type of galaxy has an elongated
Q6: Which of the following are produced when
Q7: What is look-back time?
A)the time it takes
Q8: What does an irregular galaxy contain?
A)mostly lower
Q9: What evidence leads astronomers to conclude that
Q10: Mathematical models indicate that one type of
Q11: If you wanted to measure the distance
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