Celestial Objects

Q. How was the earth formed?

Q.

What is meant by 'celestial objects'? Name any of the celestial objects.

Q.

Even Due to the gravitational force of the sun, the earth does not get attracted fully towards the core of the sun and moves around it in an elliptical orbit. Why does it not get fully attracted towards the core of the sun and also why does it move in an elliptical orbit ?

Q. The study of celestial objects and the phenomena associated with them, is called ________.

1. astronomy
2. astrology
3. geography
4. seismography

Q.

Name any two celestial objects which we can see easily in the night sky.

Q. Which of the following is also known as the minor planet?

1. Meteors
2. Meteorites
3. Asteroids
4. Galaxy

Q.

What is univers ?

Q. What is behind the universe ?

Q.

Which of the following is a terrestrial planet?

1. Mars

2. Jupiter

3. Saturn

4. Neptune

Q.

What is gravitational force? Give two examples where you see this force in action? [3 MARKS]

Q. It takes around minutes for the sunlight to reach Earth.

1. 5
2. 8
3. 80
4. 10

Q.

This Planet Is Yellowish in Color and Has Many Rings and Satellites

1. Uranus

2. Neptune

3. Jupiter

4. Saturn

Q.

Does a parallel universe exist? If yes , approximately how far will it be from our planet?

Q. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction is called _________.

1. constellation
2. comet
3. galaxy
4. meteor

Q.

What is the meaning of celestial?

Q. Mars has two natural satellites.

1. False
2. True

Q. The branch of science that deals with the study of universe is called:

1. Astronomy
2. Universe
3. Anthropology
4. Geology

Q. The use of artificial Satellite is whether forecasts, radio signals, etc.then what is use of natural satellite?

Q. How can earth pass through a wormhole without being destroyed?

Q. Which of the following is not a celestial body of the universe?

1. Star
2. Planet
3. Earth
4. Aeroplane

Q. Match the columns

$A$	$B$
(1) Stars	(a) Pollution free
(2) Objects in the sky	(b) Do not twinkle
(3) Planets	(c) Twinkling bodies
(4) Clear sky	(d) Celestial bodies

1. 1-c, 2-d, 3-b, 4-a
2. 1-d, 2-a, 3-c, 4-b
3. 1-b, 2-c, 3-a, 4-d
4. 1-c, 2-a, 3-d, 4-b

Q. What is celestial object?

1. Artificially occurring physical entity which exists in observable universe
2. Naturally occurring physical entity which exists in observable universe
3. None
4. Naturally occurring physical entity which exists in observable solar system

Q. The laws governing the movement of celestial bodies are studied under the branch of physics called _________ .

1. spintronics
2. astrophysics
3. nuclear physics
4. nano physics

Q.

What does Earth's tilted axis mainly affect?

1. Seasons and climate

2. Cloud cover

3. Speed of the spin

4. Gravity

Q. Which of the following are examples of celestial objects?

1. Asteroids
2. Moons
3. Planets
4. All of above

Q.

The light from the sun takes approximately $8minutes$ to reach the earth. If light travels at a speed of $3\times {10}^{8}m/sec$. Find the distance of the Sun from the Earth.

Q. Is the gravitational force all over the universe same?

Q. The weight of an object is due to
(a) gravitational force.
(b) frictional force.
(c) both gravitational and frictional force.
(d) neither gravitational nor frictional force.

Q. Which of the following is the biggest celestial body?

1. Universe
2. meteors
3. Galaxy
4. Asteroids

Q. The universe consists of:

1. Galaxies
2. Planets
3. Stars
4. All of the above