Tag: planets and stars

Questions Related to planets and stars

Which of the following is the smallest planet?

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. Jupiter

  2. Venus

  3. Mercury

  4. None of the above

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Correct Option: C
Explanation:

Mercury is the smallest planet.

The globe of Saturn can contain about

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. 150 Earths

  2. 472Earths

  3. 355 Earths

  4. 729 Earths

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Correct Option: D
Explanation:

Radius of Saturn is about $9$ times than that of earth.

Let, n number of earths a saturn contains. So equating volume.
$n{ V } _{ earth }={ V } _{ saturn }\ n\times \cfrac { 4 }{ 3 } \pi { r }^{ 3 }=\cfrac { 4 }{ 3 } \pi { (9{ r }) }^{ 3 }\ n={ 9 }^{ 3 }\ n=729$

Reflection of the sunlight from the upper layers of the Earth's atmosphere causes

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. days and nights

  2. tides

  3. eclipses

  4. twilight

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Correct Option: D
Explanation:

Twilight is seen because the earth's atmosphere, some light scatters through small particles in the atmosphere- so, there is still some light n the sky even after the sun  has gone down.


Which of the following doesn't belong to the class of superior planets?

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. Venus

  2. Neptune

  3. Uranus

  4. Mars

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Correct Option: A
Explanation:

Superior planets are those planets which is farther from the earth than the Sun. Except Mercury and Venus rest are superior planets.

Mass of Jupiter is ........... times that of Earth.

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. 318

  2. 195

  3. 95

  4. 0.8

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Correct Option: A
Explanation:

Mass of the planet jupiter is about $318$ times than that of earth.

The planet having the largest diameter is

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. Jupiter

  2. Saturn

  3. Pluto

  4. Mars

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Correct Option: A
Explanation:

Jupiter is the largest planet in the universe its diameter is about $1.3\times { 10 }^{ 5 }$km.

Venus appears very bright because it reflects about ....... percent of the light which it receives from the Sun.

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. 50

  2. 60

  3. 75

  4. 100

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Correct Option: C
Explanation:

First of all venus is very close to earth so very less amount of light gets scattered by atmosphere particles and second thing is it reflects $75\%$ of the light coming from sun.

The planet farthest from the Earth is

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. Pluto

  2. Mercury

  3. Neptune

  4. Saturn

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Correct Option: A
Explanation:

According to recent astronomical data pluto is the planet which is at the farthest distance from earth.

A planet shines because it reflects the light of the

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. sun

  2. other planets

  3. milky way

  4. pole star

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Correct Option: A
Explanation:

A planet signs because it reflects the light coming from the sun.

The smallest planet in the solar system is ___________.

evs - ii our earth and our solar system solar system and sun planets and stars introduction to solar system planets sunita's experience in space space exploration

  1. Mars

  2. Jupiter

  3. Mercury

  4. Earth

Show answer
Correct Option: C
Explanation:

The smallest planet in the solar system is  mercury.

Ans: Mercury