Social Sciences, asked by kumaryadavc3gmailcom, 9 months ago

B.
Answer the following questions in brief:
1. What is Big Bang?
2. Write the names of planets in ascending orders of their size.
3. Why is the Earth called a unique planet?
4. What is Milky Way?

Answers

Answered by SɴᴏᴡʏSᴇᴄʀᴇᴛ

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1. The Big Bang Theory is the leading explanation about how the universe began. At its simplest, it says the universe as we know it started with a small singularity, then inflated over next 13.8 billion years to the cosmos that we know today.
2. Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter.
3. It is described as a unique planet because it is the only planet of the solar system known to support life. Earth has water in all 3 states- solid, liquid, gases.
4. The Milky Way is the galaxy that contains our Solar System, with the name describing the galaxy's appearance from Earth, a hazy band of light seen in thr night sky formed from stars that cannot be individually distinguished by the naked eye.

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