GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
revolution
A
the motion of an object around another object in space
B
the spinning of Earth around its axis
C
is what makes the Earth have a night and day
D
a war
Explanation: 

Detailed explanation-1: -"Revolution” refers the object’s orbital motion around another object. For example, Earth rotates on its own axis, producing the 24-hour day. Earth revolves about the Sun, producing the 365-day year. A satellite revolves around a planet.

Detailed explanation-2: -All planets and moons both rotate and revolve; just as the Earth rotates on its axis once a day, and revolves around the Sun once a year. The Moon is interesting because it rotates only once on its axis each time it revolves around the Earth.

Detailed explanation-3: -Alternate titles: celestial motion.

Detailed explanation-4: -A satellite is an object which revolves around a planet in fixed orbits. It can be an artificial satellite which is placed intentionally into a planet’s orbit or a natural satellite like the Moon.

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