What is the largest planet in our Solar System?
Earth
Jupiter
Saturn
Neptune
Jupiter is the largest planet in our Solar System, significantly surpassing others in size and mass. It has a diameter about 11 times that of Earth.
Which planet is known as the “Red Planet”?
Venus
Saturn
Mars
Mercury
Mars is often referred to as the “Red Planet” due to its reddish appearance, which is the result of iron oxide, or rust, on its surface.
What is the primary component of Saturn’s rings?
Gas
Ice
Rock
Dust
Saturn’s rings are primarily composed of ice, with some dust and rocky particles, which reflect sunlight making the rings highly visible.
Which planet has the most moons?
Jupiter
Mars
Saturn
Uranus
As of the most recent counts, Jupiter has the most moons of any planet in our Solar System, boasting over 75 moons.
What is the tallest mountain in the Solar System?
Mount Everest
Olympus Mons
Rheasilvia
Maxwell Montes
Olympus Mons on Mars is the tallest mountain in the Solar System, standing at about 22 km high, nearly three times the height of Mount Everest.
Which Solar System body has the Great Red Spot?
Mars
Jupiter
Saturn
Venus
The Great Red Spot is a massive storm on Jupiter, known for its distinctive red hue and size larger than Earth.
Which planet is closest to the Sun?
Earth
Venus
Mercury
Mars
Mercury is the closest planet to the Sun, orbiting at an average distance of approximately 57 million kilometers.
What is the main composition of Venus’ atmosphere?
Oxygen
Hydrogen
Carbon Dioxide
Methane
Venus’ atmosphere is thick with carbon dioxide, which makes up about 96% of its atmospheric gases, contributing to its severe greenhouse effect.
Which planet is known for having a tilted rotation?
Jupiter
Earth
Uranus
Neptune
Uranus is unique with its extreme axial tilt of about 98 degrees, causing it to rotate on its side relative to the Sun.
What type of celestial body is Pluto classified as?
Planet
Asteroid
Dwarf Planet
Comet
Pluto is classified as a dwarf planet due to its size and the fact that it has not cleared its neighboring region of other objects.
Which planet has the shortest day?
Jupiter
Venus
Earth
Neptune
Jupiter has the shortest day in the Solar System, completing one rotation in just under 10 hours due to its rapid rotation speed.
What is the hottest planet in our solar system?
Mercury
Venus
Earth
Mars
Venus is the hottest planet, with surface temperatures around 465 degrees Celsius, due to its thick atmosphere full of greenhouse gases.
Which planet is known as the “Ice Giant”?
Neptune
Saturn
Jupiter
Uranus
Uranus, along with Neptune, is known as an “Ice Giant” because its interior is primarily composed of ices and rock.
What is the largest moon in the Solar System?
Ganymede
Titan
Callisto
Io
Ganymede, a moon of Jupiter, is the largest moon in the Solar System, larger than the planet Mercury.
Which planet is famous for its beautiful rings?
Jupiter
Mars
Saturn
Neptune
Saturn is most famous for its stunning rings, made mostly of ice and rock, visible even with small telescopes.
Which planet’s day is longer than its year?
Mercury
Venus
Earth
Mars
Venus has a longer day than its year; it takes 243 Earth days to rotate once, but only about 225 days to orbit the Sun.
What is the smallest planet in the Solar System?
Mercury
Mars
Venus
Earth
Mercury is the smallest planet in our Solar System, with a diameter of only about 4,880 kilometers.
Which planet has a storm called the “Great Dark Spot”?
Neptune
Jupiter
Saturn
Venus
Neptune once had a storm similar to Jupiter’s Great Red Spot called the “Great Dark Spot,” observed in the late 20th century.
What is the most volcanically active world in the Solar System?
Earth
Io
Venus
Mars
Io, a moon of Jupiter, is the most volcanically active body in the Solar System, with hundreds of volcanoes and constant eruptions.
What kind of planets are Mercury and Venus classified as?
Gas giants
Ice giants
Terrestrial
Dwarf
Mercury and Venus are classified as terrestrial planets, characterized by their rocky surfaces and solid ground.
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