The Solar System

Which planet has the longest year (orbital period)?

• Neptune
• Uranus
• Saturn
• Jupiter

Which planet is known for its Great Red Spot?

• Jupiter
• Saturn
• Neptune
• Uranus

Which planet has the most moons?

• Jupiter
• Saturn
• Mars
• Earth

Which gas giant has the most moons in the solar system?

• Jupiter
• Saturn
• Uranus
• Neptune

Which planet has a moon named "Phobos"?

• Mars
• Venus
• Earth
• Jupiter

Which planet is famous for its beautiful blue color due to methane in its atmosphere?

• Neptune
• Earth
• Uranus
• Mars

Which of the following planets has a surface covered with a thick layer of clouds made of sulfuric acid?

• Venus
• Earth
• Mars
• Saturn

Which planet is known as the "Red Planet"?

• Mars
• Earth
• Venus
• Saturn

What is the name of the spacecraft that first landed on a comet?

• Rosetta
• Voyager 1
• Parker Solar Probe
• Juno

What is the name of the Earth's only natural satellite?

• The Moon
• Phobos
• Titan
• Io

What is the name of the first man-made satellite launched into space?

• Sputnik 1
• Apollo 11
• Hubble Space Telescope
• Vostok 1

Which moon of Saturn is known for its icy surface and potential subsurface ocean?

• Enceladus
• Titan
• Rhea
• Mimas

Which planet is farthest from the Sun?

• Neptune
• Uranus
• Saturn
• Pluto

Which planet is sometimes called the "morning star" and "evening star"?

• Venus
• Mars
• Mercury
• Earth

What is the name of the ringed moon of Saturn that has a thick atmosphere?

• Titan
• Enceladus
• Iapetus
• Rhea

Which planet is closest to the Sun?

• Mercury
• Venus
• Earth
• Mars

What is the smallest dwarf planet in the solar system?

• Ceres
• Pluto
• Eris
• Haumea

Which planet is known for its beautiful rings?

• Saturn
• Neptune
• Uranus
• Jupiter

Which planet is most famous for having a giant storm called the "Great Red Spot"?

• Jupiter
• Saturn
• Neptune
• Uranus

What is the center of our solar system?

• The Sun
• The Moon
• Earth
• Jupiter

Which planet is the hottest in the solar system?

• Venus
• Earth
• Mars
• Jupiter

Which planet is known for its "Great Dark Spot"?

• Neptune
• Uranus
• Jupiter
• Mars

Which planet is sometimes called the "water planet" because of its oceans?

• Earth
• Venus
• Mars
• Neptune

What is the smallest planet in our solar system?

• Mercury
• Venus
• Mars
• Uranus

What is the name of the dwarf planet located in the Kuiper Belt?

• Pluto
• Eris
• Haumea
• Ceres

What is the name of the NASA space telescope that has provided us with breathtaking images of distant galaxies?

• Hubble Space Telescope
• James Webb Space Telescope
• Chandra X-ray Observatory
• Spitzer Space Telescope

What is the largest dwarf planet in our solar system?

• Eris
• Pluto
• Haumea
• Ceres

What is the name of the space mission that landed a rover on Mars in 2021?

• Perseverance
• Curiosity
• Spirit
• Opportunity

Which planet has a storm that has lasted for over 300 years?

• Jupiter
• Saturn
• Uranus
• Neptune

Which planet has a moon named "Io," which is known for its volcanic activity?

• Jupiter
• Saturn
• Uranus
• Mars

What is the name of the giant storm on Saturn?

• The Great White Spot
• The Great Red Spot
• The Great Dark Spot
• The Eye of Saturn

Which planet has a ring system?

• Saturn
• Earth
• Mars
• Venus

What is the name of the fifth planet from the Sun?

• Jupiter
• Mars
• Earth
• Venus

Which planet has a day longer than its year?

• Venus
• Mars
• Earth
• Jupiter

What is the largest moon in the solar system?

• Ganymede
• Titan
• Callisto
• Io

What is the name of the second planet from the Sun?

• Venus
• Earth
• Mars
• Mercury

Which planet has a moon called "Europa," which might have the potential for life?

• Jupiter
• Saturn
• Neptune
• Uranus

How many planets are there in the solar system?

• 8
• 9
• 7
• 10

Which planet has a tilt that causes extreme seasons?

• Uranus
• Mars
• Earth
• Saturn

Which planet is known for having a tilted axis of rotation, making its poles nearly parallel to the plane of its orbit?

• Uranus
• Earth
• Neptune
• Saturn

Which planet has the longest day (rotation period)?

• Venus
• Earth
• Jupiter
• Saturn

Which planet is known for having a large ice cap at its poles?

• Mars
• Neptune
• Uranus
• Saturn

What is the closest star to Earth?

• The Sun
• Proxima Centauri
• Alpha Centauri
• Sirius

What is the name of the largest moon of Jupiter?

• Ganymede
• Europa
• Callisto
• Io

Which planet has the strongest winds in the solar system?

• Neptune
• Saturn
• Uranus
• Venus

Which planet has the shortest year (orbital period)?

• Mercury
• Venus
• Earth
• Mars

Which planet is known as the "Earth's twin" due to its similar size and mass?

• Venus
• Earth
• Mars
• Mercury

What is the largest planet in the solar system?

• Jupiter
• Saturn
• Earth
• Neptune

Which planet is the largest in our solar system?

• Jupiter
• Saturn
• Neptune
• Earth

What is the term for the region in the outer solar system that contains icy bodies like comets?

• The Kuiper Belt
• The Asteroid Belt
• The Oort Cloud
• The Van Allen Belt

What is the name of the asteroid belt located between Mars and Jupiter?

• The Asteroid Belt
• The Kuiper Belt
• The Oort Cloud
• The Van Allen Belt

Which gas giant is the second largest planet in our solar system?

• Saturn
• Jupiter
• Uranus
• Neptune

Which planet is known for its extreme greenhouse effect, making it the hottest planet in the solar system?

• Venus
• Earth
• Mars
• Mercury

What is the largest moon of Saturn?

• Titan
• Europa
• Io
• Ganymede