GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scientists theorize that the asteroid belt did not form a planet because ____
A
Jupiter’s gravity kept it from forming
B
some particles were too large
C
it was too rocky
D
some of the particles moved too slowly
Explanation: 

Detailed explanation-1: -Astronomers think that the asteroid belt exists because Jupiter’s gravity prevented the rocky material there from coming together to form a planet; instead, the zone remained a loose collection of objects.

Detailed explanation-2: -Astronomers think that if it were not for the giant planet Jupiter exerting its gravitational force on the asteroids in the belt, the inner planets would be constantly bombarded by large asteroids. The presence of Jupiter actually protects Mercury, Venus, Earth, and Mars from repeated asteroid collisions!

Detailed explanation-3: -The orbits of asteroids can be changed by Jupiter’s massive gravity – and by occasional close encounters with Mars or other objects. These encounters can knock asteroids out of the main belt, and hurl them into space in all directions across the orbits of the other planets.

Detailed explanation-4: -This statement is true. During simulations, scientists have determined that the reason planets did not form in the asteroid belt is due to Jupiter’s gravitational influence.

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