Space Quiz

Solar System Quiz

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Do you know Jupiter hosts over seventy moons? And, poor Pluto is not considered a planet anymore! Our very own solar system of eight planets continues to reveal amazing facts and inspire some out-of-this-world fantasies.

Test your knowledge of the planets and the sun with this fifty question solar system quiz! But, beware, you really need to have a lot of knowledge about the solar system. You can proudly call yourself an astronomy geek if you pass this solar system quiz with flying colors.

Wish you best of luck!


What is the ‘Great Red Spot’?

  1. A storm on Saturn

  2. A volcano on Mars

  3. A crater on Mercury

  4. A storm on Jupiter

Great Red Spot is an enormous, persistent cyclonic storm on the planet Jupiter

How much would a 100 kg person weigh on Mars?

  1. 150 KG

  2. 33 KG

  3. 50 KG

  4. 10 KG

Mars has a gravity roughly 30% of that of Earth

How long is a Saturnian Day?

  1. 4 Hours 57 Minutes

  2. 24 Hours

  3. 10 Hours 47 Minutes

  4. 228 Hours

Saturn rotates fast! A Saturnian day is a mere 10 Hours, 47 Minutes, measured in Earth time.

This planet has a temperature hot enough to melt lead?

  1. Venus

  2. Mars

  3. Mercury

  4. Earth

Venus is the hottest planet, featuring temperature hot enough to melt lead.

This planet has the highest Volcanic mountain in the solar system

  1. Earth

  2. Saturn

  3. Jupiter

  4. Mars

Olympus Mons on Mars is the largest volcano in the solar system

Which feature distinguishes Uranus from other planets?

  1. Tilted over on its side

  2. The farthest planet from the sun

  3. Largest planet

  4. Most number of moons

Uranus is the only planet whose equator is nearly at a right angle to its orbit

What speed of winds does Neptune have?

  1. Supersonic

  2. Hypervelocity

  3. Hypersonic

  4. Very Slow

Neptune is the windiest planet with winds flowing at speed greater than the speed of sound.

Which of these phenomena occurs on Mars?

  1. Tidal waves

  2. Hurricanes

  3. Dust storms

  4. Burning Ice

Mars is dusty. Like, really dusty.

Which of these planets have rings?

  1. All three

  2. Jupiter

  3. Saturn

  4. Uranus

If you thought only Saturn has rings, then learn - Jupiter, Saturn, Uranus, Neptune - all have rings.

How are the orientations of orbits of the planets in the Solar System?

  1. Orbits are exactly in same plane

  2. Orbits surround Sun in different planes

  3. Orbits keep changing

  4. Orbits are more or less in same plane

The planets in our solar system orbit our sun more or less in a single plane.

What are the giant planets also known as?

  1. Outer Planets

  2. Jovian Planets

  3. All of the rest

  4. Gas Giant Planets

Jupiter, Saturn, Uranus and Neptune are giant planets, also called outer planets for their location outside Asteroid belt, also called Gas Giants for their gas surfaces, and also called Jovian for their proximity to Jupiter.

Which statement describes the atmosphere of the planet correctly?

  1. Mercury is mostly nitrogen

  2. Earth is mostly oxygen

  3. Saturn is mostly helium

  4. Venus is mostly carbon-di-oxide

The atmosphere of Venus is composed of more than 96 percent carbon dioxide

To weigh roughly one-third of what you do on Earth, which planet would you be on?

  1. Mars

  2. Uranus

  3. Mercury

  4. Venus

Mars has a gravity roughly 30% of that of Earth

How long does it take for light from the Sun to reach Earth?

  1. 8 seconds

  2. 8 milliseconds

  3. 8 hours

  4. 8 minutes

It takes an average of 8 minutes for light to travel from the Sun to the Earth

How old is the Solar System?

  1. 4.5 million years

  2. 4.5 billion years

  3. 5000 years

  4. 500 billion years

Our solar system formed about 4.5 billion years ago

Which planet is the smallest?

  1. Neptune

  2. Mercury

  3. Earth

  4. Mars

Mercury is the smallest planet in the solar system, and is a little bigger than Earth's Moon.

That's called a Satellite

  1. A natural object that orbits Earth

  2. A man-made object that orbits Earth

  3. A natural object that orbit planets

  4. Anything that orbit planets

Satellite by definition is a celestial body orbiting the earth or another planet - artificial or natural.

Where do comets originate?

  1. Asteroid Belt

  2. They come from other nearby Solar Systems

  3. Oort Clouds

  4. Kuiper Belt

Most comets originate in a vast cloud of ice and dust that surrounds the solar system, The Oort Cloud

Which is the largest asteroid in the asteroid belt ?

  1. Hygiea

  2. Itokawa

  3. Pallas

  4. Ceres

Ceres is the largest asteroid, about one-quarter the size of the moon.

What are Mercury, Venus, Earth and Mars grouped as?

  1. Rock Planets

  2. All of the options

  3. Inner Planets

  4. Terrestrial Planets

Unlike gas giants, these planets feature a rock core making them terrestrial and lie inner of the asteroid belt.

What distance is 1 AU or one Astronomical Unit?

  1. Distance light travels in one minute

  2. Distance between Sun and Earth

  3. Distance between Sun and Kuiper Belt

  4. Distance between Sun and Asteroid Belt

One Astronomical Unit (AU) is an astronomical unit of distance effectively equal to the distance between Earth and the Sun.

How much is distance 1AU?

  1. 500 Million KM

  2. 100 Million KM

  3. 1 Million KM

  4. 150 Million KM

One astronomical unit is equals to 150 million kilometers or 8.3 light minutes.

Where does the asteroid belt lie?

  1. Between Earth and Mars

  2. Between Earth and Moon

  3. Between Kuiper Belt and Oort Cloud

  4. Between Mars and Jupiter

Asteroid belt lies between the orbits of Mars and Jupiter.

Which planet is named after the Ancient Roman Goddess of Love?

  1. Jupiter

  2. Saturn

  3. Earth

  4. Venus

The Romans named the brightest planet, Venus, for their goddess of love and beauty.

What is Hindi name of planet Uranus?

  1. Varun

  2. Ketu

  3. Arun

  4. Rahu

Uranus is called as Arun

Remove the odd man out

  1. Andromeda Galaxy

  2. Kuiper Belt

  3. Comets

  4. Inner Planets

Kuiper Belt, Comets, Inner Planets are objects in the solar system

What causes a solar eclipse?

  1. Sun has a darker side too

  2. A large star blocks our view

  3. Venus blocks our view

  4. The moon casts a shadow on the Earth

When the Moon blocks the light of the Sun from reaching Earth, it causes an eclipse of the Sun, or a solar eclipse.

How is the atmosphere on Venus?

  1. Mild and calm

  2. Cold and rainy

  3. Cold and snowy

  4. Hot, acidic and poisonous

Venus is the hottest planet and has an acidic, toxic atmosphere filled with carbon dioxide.

Every how many years does Halley’s Comet passes by the Sun?

  1. 150

  2. 3

  3. 76

  4. 660

Halley's Comet's orbit period is, on average, 76 Earth years.

Olympus Mons is a large volcanic mountain on which planet?

  1. Earth

  2. Venus

  3. Mercury

  4. Mars

Olympus Mons on Mars is the largest volcano in the solar system

Which is Saturn’s largest moon?

  1. Enceladus

  2. Hyperion

  3. Dione

  4. Titan

Titan is the largest moon of Saturn and the second largest moon in the solar system

Ganymede is a moon of which planet?

  1. Neptune

  2. Uranus

  3. Jupiter

  4. Saturn

Ganymede is the moon of Jupiter, and is the largest and most massive of the Solar System's moons

Which planet has Sulphuric Acid rains?

  1. Venus

  2. Mercury

  3. Saturn

  4. Jupiter

The most acidic rain of Sulphuric Acid in the Solar System is found on the planet Venus

Which planet rotates sideways?

  1. Venus

  2. Saturn

  3. Jupiter

  4. Uranus

Uranus tilts almost 98 degrees! Uranus' axis is so tilted, it actually looks like the planet is rotating sideways

What causes abnormal rotation of planets like Venus and Uranus?

  1. Asteroid Collision

  2. Planet Collision

  3. Solar Winds

  4. Gravity of neighboring planets

Venus and Uranus originally rotated counter-clockwise – like Earth and the other planets still do – but were struck at some point by other planets that sent them spinning in different directions.

What is the name of Sun’s mysterious twin star?

  1. Nemesis

  2. Proxima Centauri

  3. Alpha

  4. Nibiru

Nemesis is a hypothetical star thought to be orbiting the Sun, forming a twin star system

Which moon is of Mars?

  1. Ganymede

  2. Charon

  3. Phobos

  4. Io

Mars has two moons - Phobos and Deimos

What is the belt outside of Pluto's orbit called?

  1. Halley Belt

  2. Main Asteroid Belt

  3. Kuiper Belt

  4. The Oort cloud

Kuiper belt, also called Edgeworth-Kuiper belt, comprises small bodies that revolve around the Sun beyond the orbit of the planet Pluto.

Which moon has mysterious ocean below its surface?

  1. Io

  2. Triton

  3. Titan

  4. Europa

Europa's, Jupiter's moon, has a vast and deep ocean below its solid surface.

Which object is the most volcanically active in the solar system?

  1. Ganymede

  2. Io

  3. Pluto

  4. Mars

Io, a moon of Jupiter, is the most volcanically active object in our solar system.

What percent of the Solar System’s mass does Sun hold?

  1. 99.9%

  2. 6%

  3. 27%

  4. 50%

The sun holds over 99.9% of the total solar system mass, leaving only 0.1% for planets, moons and asteroids.

Which planet has a hexagonal North Pole?

  1. Uranus

  2. Neptune

  3. Saturn

  4. Jupiter

Saturn has a persistent hexagonal cloud pattern around the north pole

How many days does moon take to rotate around Earth?

  1. 365

  2. 1

  3. 90

  4. 27

The moon orbits the Earth once every 27 days.

The Galilean and Amalthea moons orbit which planet?

  1. Jupiter

  2. Neptune

  3. Uranus

  4. Saturn

Galilean and Amalthea are part of the system of Jupiter's over 70 moons

What causes Aurora?

  1. Solar Winds

  2. Water Vapour

  3. Rains

  4. Moon's Light

Aurora displays are generated by the massive explosions on the Sun causing huge solar winds

Which dwarf planet has longest and most mysterious orbit of over 12,000 years?

  1. Pallas

  2. Orcus

  3. Sedna

  4. Pluto

Sedna has an exceptionally elongated orbit, and takes over 12,000 years to orbit the Sun

Which planet featured a ‘Great Dark Spot’?

  1. Jupiter

  2. Neptune

  3. Saturn

  4. Uranus

The Great Dark Spot was a huge spinning storm in the atmosphere of Neptune which was about the size of the entire Earth.

Which object is called as King of the Kuiper Belt?

  1. Eris

  2. Pluto

  3. Sedna

  4. Makemake

Pluto is known as the "King of the Kuiper Belt" – and it's the largest object in the belt.

On which planet does the sun rise in the west?

  1. Saturn

  2. Mercury

  3. Uranus

  4. Venus

Venus spins in the opposite direction from most other planets, including Earth, so that on Venus the sun rises in the west.

Its the Red planet

  1. Mars

  2. Venus

  3. Jupiter

  4. Saturn

Red Planet is a nickname for the planet Mars, due to its surface color.

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