GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Addison observes the night sky for several hours. She can tell the difference between stars and planets because ____
A
only stars appear as points of light
B
she sees many more planets than stars
C
planets form a pattern with the other planets
D
planets appear to move among the constellations
Explanation: 

Detailed explanation-1: -The constellations you can see at night depend on the time of year. Earth orbits around the Sun once each year. Our view into space through the night sky changes as we orbit. So, the night sky looks slightly different each night because Earth is in a different spot in its orbit.

Detailed explanation-2: -The Earth’s rotation causes someone looking at stars on the surface to see that they move across the sky, just as the Sun and Moon also change places. However, the stars are not changing places, rather the Earth is rotating and orbiting the Sun, which causes this impression.

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