UNIVERSE
SOLAR SYSTEM FORMATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They collided and went spiraling in opposite directions.
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They expanded as they were pulled farther apart and eventually cooled.
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They created new gases that caused them to cool after interacting with each other.
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They ran into each other and stuck together due to gravitational and other forces.
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Detailed explanation-1: -How did the bits of dust and gas that eventually formed the solar system behave while falling into orbit around each other? They collided and went spiraling in opposite directions.
Detailed explanation-2: -Solar system formation began approximately 4.5 billion years ago, when gravity pulled a cloud of dust and gas together to form our solar system.
Detailed explanation-3: -According to this theory, the Sun and all the planets of our Solar System began as a giant cloud of molecular gas and dust.
Detailed explanation-4: -Our solar system began forming in a concentration of interstellar dust and hydrogen gas. The cloud contracted under its own gravity and our proto-Sun formed in the center, surrounded by the swirling disk of the solar nebula.
Detailed explanation-5: -The solar nebula is initially a thin gas of hydrogen and helium strewn with tiny dust particles. These tiny grains serve as the building blocks of the planets. Dust grains play an important role in the evolution of any gas cloud. These grains act as condensation nuclei, on which accretion of matter occurs.