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Rediff.com » Getahead » Quiz: Which is the smallest planet in our solar system?

This article was first published 10 years ago

Quiz: Which is the smallest planet in our solar system?

Last updated on: June 05, 2014 18:47 IST

Image: A part of our solar system
Photographs: solarsystem.nasa.gov

Take this simple quiz and find out more about the farthest, hottest, biggest planets in our solar system

Your time starts now... :)

1. The number of planets in our solar system is...

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Tags: 1

Quiz: Which is the smallest planet in our solar system?

Photographs: NASA/JPL/USGS

2. This is the hottest planet in our solar system...
1. Venus
2. Mercury
3. Mars

Wrong! Try again..

Wrong!
The correct answer is Venus
Venus is the second closest planet to the Sun and records extremely high temperature of 480 degree Celsius.

Only a little smaller in size than Earth, Venus is the only planet in our solar system that spins backwards. In simple words, assuming you were a resident of Venus, the Sun, for you, would rise in the west and set in the east. :)

Correct!
Venus is the second closest planet to the Sun and records extremely high temperature of 480 degree Celsius.

Only a little smaller in size than Earth, Venus is the only planet in our solar system that spins backwards. In simple words, assuming you were a resident of Venus, the Sun, for you, would rise in the west and set in the east. :)

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Tags: Venus , Sun , west , Earth

Quiz: Which is the smallest planet in our solar system?

Photographs: solarsystem.nasa.gov

3. This is the smallest planet in our solar system...
1. Pluto
2. Mercury
3. Earth

Wrong! Try again..

Wrong!
The correct answer is Mercury
Slightly bigger than the Earth's Moon, Mercury with a diameter of 4879.4 km is the smallest planet in our solar system. It is also closest to the Sun. The distance between Mercury and Sun is 58 million km. If you were on Mercury one year would be just 88 Earth days, that is, Mercury takes just 88 days to revolve once around the Sun completely. Earth takes 365 days to complete one revolution around the Sun.

Correct!
Slightly bigger than the Earth's Moon, Mercury with a diameter of 4879.4 km is the smallest planet in our solar system. It is also closest to the Sun. The distance between Mercury and Sun is 58 million km. If you were on Mercury one year would be just 88 Earth days, that is, Mercury takes just 88 days to revolve once around the Sun completely. Earth takes 365 days to complete one revolution around the Sun.

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Tags: Earth , Moon , Sun

Quiz: Which is the smallest planet in our solar system?

Photographs: NASA Planetary Photojournal

4. This planet gets a blue tint because of methane...
1. Venus
2. Uranus
3. Neptune

Wrong! Try again..

Wrong!
The correct answer is Monaco.
The seventh planet from the Sun, Uranus takes 84 Earth Years to complete an orbit around the star. This planet has faint rings and has 27 Moons.

Correct!
The seventh planet from the Sun, Uranus takes 84 Earth Years to complete an orbit around the star. This planet has faint rings and has 27 Moons.

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Tags: Uranus , Earth Years , Monaco

Quiz: Which is the smallest planet in our solar system?

Photographs: solarsystem.nasa.gov

5. This is the biggest planet in our solar system...
1. Mars
2. Saturn
3. Jupiter

Wrong! Try again..

Wrong!
The correct answer is Jupiter
The fifth planet from the Sun, at its equator, Jupiter has a diameter of 142,984 km. When we complete 12 years on Earth, Jupiter completes just one year. That is, Jupiter takes 4,333 Earth days to complete one revolution around the Sun.

Correct!
The fifth planet from the Sun, at its equator, Jupiter has a diameter of 142,984 km. When we complete 12 years on Earth, Jupiter completes just one year. That is, Jupiter takes 4,333 Earth days to complete one revolution around the Sun.

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Tags: Earth

Quiz: Which is the smallest planet in our solar system?

Photographs: solarsystem.nasa.gov

6. This ball of gases is at the centre of our solar system…
1. Sun
2. Moon
3. Earth

Wrong! Try again..

Wrong!
The correct answer is Sun
A smouldering ball of gases like hydrogen and helium, at the centre of our solar system, Sun is a star, around which the eight planets revolve. At its core, Sun's temperature is 15 million degrees Celsius.

Correct!
A smouldering ball of gases like hydrogen and helium, at the centre of our solar system, Sun is a star, around which the eight planets revolve. At its core, Sun's temperature is 15 million degrees Celsius.

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Tags: Sun , Earth

Quiz: Which is the smallest planet in our solar system?

Photographs: solarsystem.nasa.gov

7. This planet is known as the 'Water planet'
1. Mars
2. Mercury
3. Earth

Wrong! Try again..

Wrong!
The correct answer is Sun
With about 70 per cent of its surface covered with oceans, Earth is the only planet, known to mankind till now, that supports life. Earth is the third planet from the Sun.

Correct!
With about 70 per cent of its surface covered with oceans, Earth is the only planet, known to mankind till now, that supports life. Earth is the third planet from the Sun.

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Tags: Earth , SunWith

Quiz: Which is the smallest planet in our solar system?

Photographs: solarsystem.nasa.gov

8. This planet is also known as the 'Red planet'?
1. Venus
2. Mars
3. Mercury

Wrong! Try again..

Wrong!
The correct answer is Mars.
The fourth planet from the Sun at a distance of 228 million km, Mars gets its red colour because of iron oxidation on its surface. In 687 Earth days Mars completes one orbit around the Sun.

Correct!
The fourth planet from the Sun at a distance of 228 million km, Mars gets its red colour because of iron oxidation on its surface. In 687 Earth days Mars completes one orbit around the Sun.

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Tags: Mars , Earth

Quiz: Which is the smallest planet in our solar system?

Photographs: NASA/Ames

9. This is known as the 'Ringed planet'...
1. Neptune
2. Saturn
3. Uranus

Wrong! Try again..

Wrong!
The correct answer is Saturn.
Just like the Sun, Saturn is composed mostly of hydrogen and helium. This planet has thousands of rings made up of ice and rock, which adds to the planet's beauty. Saturn takes 29 Earth years to complete one revolution around the Sun.

Correct!
Just like the Sun, Saturn is composed mostly of hydrogen and helium. This planet has thousands of rings made up of ice and rock, which adds to the planet's beauty. Saturn takes 29 Earth years to complete one revolution around the Sun.

Please click NEXT to continue reading

Tags: Sun , Earth , Neptune

Quiz: Which is the smallest planet in our solar system?

Photographs: NASA

10. This planet is the farthest from the Sun...
1. Neptune
2. Mercury
3. Venus

Wrong! Try again..

Wrong!
The correct answer is Neptune.
Discovered in 1846, Neptune, which is 30 times as far from the Sun as earth, takes 165 Earth years (60,190 Earth days) to orbit once around the Sun. After its discovery Neptune completed its first complete revolution around the Sun only in 2011. :)

Neptune is 4.5 billion km away from the Sun.

Correct!
Discovered in 1846, Neptune, which is 30 times as far from the Sun as earth, takes 165 Earth years (60,190 Earth days) to orbit once around the Sun. After its discovery Neptune completed its first complete revolution around the Sun only in 2011. :)

Neptune is 4.5 billion km away from the Sun.

Tags: Earth

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