Question

Around 4.5 Billion years ago, an enormous ______ of hot gases and dust spinning at very great speed was formed in the space.

• A. Cloud
• B. Ocean
• C. Iceberg
• D. All of the above

Answer 1

Answer: (A)

Cloud

The solar system formed about 4.5 billion years ago, when gravity pulled together a low-density cloud of interstellar gas and dust (called a nebula). The gravitational collapse was much more efficient along the spin axis, so the rotating ball, around the Sun a thin disk gave birth to the planets, moons, asteroids, and comets.