Question

Answer the questions briefly .
Q1 . How does a planet differ from a star ?
Q2. What is meant by universe ?

Answer 1

Answer:

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Explanation:

1. i) STARS:- Stars are very big and hot celestial bodies made up of gases.They have their own heat and light, which they emit in large amount.

ii) PLANET:- Planets are celestial bodies, usually smaller than star. They do not have their own heat and light.

2. The universe is all of space and time and their contents , including planets , stars , galaxies and all other forms of matter and energy.

Answer 2

Ans 1.

(i)The Plants are on the earth but stars are not on the earth.

(ii)Plants take carbon dioxide and release oxygen while stars are not.

(iii)We can grow plants but we can not grow stars.

Ans 2.

The Universe is everything we can touch, feel, sense, measure or detect. It includes living things, planets, stars, galaxies, dust clouds, light, and even time. ... The Universe contains billions of galaxies, each containing millions or billion of stars. The space between the stars and galaxies is largely empty.

EXPLANATION:

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