Which type of galaxy is very difficult to see, but (astronomers recently realized) may be very common?
A) spiral
B) elliptical
C) dwarf elliptical
D) irregular
E) none of the above

Question

Quizplus · Accepted Answer

Dwarf elliptical galaxies are very difficult to detect because they are small and have low luminosity. However, recent studies have suggested that they may be the most common type of galaxy in the universe.

Which Type of Galaxy Is Very Difficult to See, but (Astronomers