Multiple Choice
How many barred spiral galaxies are there compared with ordinary spiral galaxies?
A) There are about half as many barred spirals as there are ordinary spirals.
B) There are about twice as many barred spirals as there are ordinary spirals.
C) About 1 in 10 spiral galaxies contains a bar.
D) The numbers are essentially equal.
Correct Answer:

Verified
Correct Answer:
Verified
Q170: Why do the spiral arms show up
Q171: Globular clusters<br>A) are young formations and always
Q172: What is a rich cluster of galaxies?<br>A)
Q173: For which objects in the universe has
Q174: What is a starburst galaxy?<br>A) galaxy with
Q176: The Tully-Fisher relation provides a method of
Q177: Many rich, regular clusters of galaxies contain
Q178: At visible wavelengths, which galaxies are the
Q179: In the 1970s it was discovered that,
Q180: Which of these characteristics does the Local