The range of diameters and luminosities displayed by elliptical galaxies is ____.
a. similar to the range of spirals, and smaller than spiral galaxies on average
b. similar to the range of spirals, and about the same as spiral galaxies on average
c. similar to the range of spirals, and larger than spiral galaxies on average
d. wider than the range for spirals, extending to much larger sizes than spiral galaxies
e. wider than the range for spirals, extending to much smaller sizes than spiral galaxies
Question 2
Which is the longest surviving, and most successful, space telescope?
a. SOFIA
b. Chandra
c. Kepler Space Observatory
d. Hubble Space Telescope
e. James Webb Space Telescope