One of the biggest problems for ground-based astronomy today is
A) all the best mountains already have telescopes on them.
B) atmospheric pollution has significantly worsened the seeing.
C) space-based observatories are making most of the observations.
D) light pollution makes it difficult to observe faint objects.

Question

Quizplus · Accepted Answer

Light pollution from urban areas makes it challenging for ground-based telescopes to observe faint celestial objects, as the artificial light interferes with the natural darkness of the night sky.

One of the Biggest Problems for Ground-Based Astronomy Today Is