GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A nebula contains large amounts of dust and clouds. What role does gravity play inside of nebulae?
A
The gravitational pull between the gas and dust matter leads to the formation of new galaxies.
B
The gravity pulls the gas and dust apart, leading to the formation of a larger nebula.
C
The gravitational pull between the gas and dust matter leads to the formation of new stars and planets.
D
There is no gravity inside nebulae because each dust particle is so small.
Explanation: 

Detailed explanation-1: -A nebula contains large amounts of dust and clouds. What role does gravity play inside of nebulae? The gravitational pull between the gas and dust matter leads to the formation of new galaxies.

Detailed explanation-2: -Gravity in our universe Gravity is what holds the planets in orbit around the sun and what keeps the moon in orbit around Earth. The gravitational pull of the moon pulls the seas towards it, causing the ocean tides. Gravity creates stars and planets by pulling together the material from which they are made.

Detailed explanation-3: -Nebulae are diffuse clouds of gas and dust loosely held together by gravity. Scientists believe that new stars form in nebulae when compression waves from nearby supernova begin a consolidation and star formation process known as the Nebular Hypothesis.

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