Question

D. Short Answer Type-Il Questions:
1. Write any three points about Ursa Minor constellation.
2. Why does the life exist on the Earth? Write three conditions.
3. Write any three differences between meteors and meteorites.
4. The Sun always rises and sets on time. The planets always revolve around the Sun without being tired.
(a) Discuss any two important features of planets.
(b) What do you learn from these heavenly bodies?
Value Corner​

Answer 1

Here's the answer:

1. 1) Ursa Major is visible all year in the Northern hemisphere. 2) The constellation is partially visible in some northerly regions of the Southern hemisphere. 3) Ursa Major is Latin for Great Bear, although the constellation is based on Greek mythology.
2. The Earth has a suitable climate for the existence of all forms of life because of moderate amount of carbon dioxide, which is the driving factor for the survival of life forms. ... At 375°c, the water would only exist as a gas, and the planet would be completely dry.
3. Meteors are still up in the sky. Meteorites are on the earth. Meteoroids break down in the earth's atmosphere which results in the flash of light known meteors. Meteorites are the broken meteoroids that land on the earth.
4. (a).A planet is a large object.The planets orbit the Sun. (b)Celestial bodies or heavenly bodies are objects in space such as the sun, moon, planets, and stars. They form a part of the vast universe we live in and are usually very far from us.