Tag: planets and stars

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Questions Related to planets and stars

Multiple choice geography the sun, the moon and the earth solar system and sun planets and stars introduction to solar system

Consider the following statements and select the correct answer using the code given below:
A.The age of the solar system is 4.6 billion years.
B.The outer planets consists of gases.

  1. Only A is correct

  2. Only B is correct

  3. Both 1and 2 are correct

  4. Neither 1 nor 2 is correct
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The age of the solar system is 4.6 billion years. It is evident from the study of meteorites. Meteorites are considered as the oldest accessible material around.

Outer planets are the planets which are furthest from the sun. Jupiter, Saturn, Uranus and Neptune are the outer planets. The asteroid belt separates outer planets from inner planets. They consists of light material.

Multiple choice geography the sun, the moon and the earth solar system and sun planets and stars introduction to solar system

How many planets are there in our solar system?

  1. 7

  2. 8

  3. 9

  4. 10
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Our solar system consists of a star -  the Sun and 8 planets namely Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. There is an asteroid belt between Mars and Jupiter which separates the planets in two regions. The planets towards the Sun i.e. Mercury, Venus, Earth, Mars are inner planets and the other four planets are outer planets.

Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

The space crafts cannot land on Venus because it is the ___________.

  1. smallest planet

  2. coldest planet

  3. hottest planet

  4. densest planet
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Venus is the hottest planet in the solar system due to its thick atmosphere and runaway greenhouse effect, making it impossible for space crafts to land and survive.

Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

The surface temperature of Mercury varies from :

  1. $30 ^\circ C$ to $-18 ^\circ C$

  2. $100 ^\circ C$ to $-183 ^\circ C$

  3. $427 ^\circ C$ to $-183 ^\circ C$

  4. $80 ^\circ C$ to $ 0 ^\circ C$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The surface temperature of mercury varies from around $800F$ to $-290F$ or $427°C$ to $-180°C$.