Even relatively small astronomical telescopes are ordinarily not used for terrestrial observation because
A)their images are too bright.
B)their images are too dim.
C)their images are inverted.
D)their images are not in color.

Question

Quizplus · Accepted Answer

Astronomical telescopes typically produce inverted images, which is not an issue for observing celestial objects but makes terrestrial viewing impractical without additional optics to correct the orientation.

Even Relatively Small Astronomical Telescopes Are Ordinarily Not Used for Terrestrial