How do asteroids appear in long exposure images?
A)as points of light, like the stars
B)as complex curving and looping lines
C)as resolved disks, like the planets
D)as straight lines across a background of stars

Question

Quizplus · Accepted Answer

Asteroids move across the sky relative to the background stars, so in a long exposure image they will appear as straight lines across a background of stars.

How Do Asteroids Appear in Long Exposure Images