What is an artificial star?
A)a point of light in Earth's atmosphere created by a laser for the purpose of monitoring atmospheric fluctuations
B)a satellite orbiting Earth
C)a meteor
D)a possible source of dark matter in the universe
E)the unseen member of a binary star system

Question

Quizplus · Accepted Answer

An artificial star is a point of light created by a laser and used for the purpose of monitoring atmospheric fluctuations. This technique is used in astronomy to correct for the distortions caused by the Earth's atmosphere on observations of celestial objects.

What Is an Artificial Star