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There are eight planets in the Solar System.
Saturn
Jupiter is the largest planet in the Solar System.
Mars
Earth
The four terrestrial planets are Mercury, Venus, Earth, and Mars.
The four terrestrial planets are Jupiter, Saturn, Uranus, and Neptune.
The four terrestrial planets are Earth, Mars, Saturn, and Venus.
The four terrestrial planets are Neptune, Pluto, Mars, and Earth.
Gas giants have a solid surface.
Gas giants are much larger, have thick atmospheres mostly of hydrogen and helium, and lack a solid surface unlike terrestrial planets.
Gas giants have volcanic activity.
Gas giants are smaller than terrestrial planets.
Jupiter
Saturn is known for its prominent and extensive ring system.
Uranus
Neptune
Mercury is the closest planet to the Sun.
Venus
Earth
Mars
Mars is known as the Red Planet due to its reddish appearance.
Jupiter
Saturn
Venus
Jupiter
Neptune
Earth
Saturn has the most moons, with 82 confirmed moons.
Uranus has the strongest magnetic field.
Uranus rotates on its side, making its axis nearly parallel to its orbit.
Uranus has the shortest day.
Uranus is the hottest planet.
Venus is called Earth's twin because they are similar in size, composition, and gravity.
Mars is called Earth's twin because they both have water.
Saturn is called Earth's twin due to its rings.
Jupiter is called Earth's twin because they both have storms.
Mars
Venus has a longer rotation period (day) than its orbital period (year).
Mercury
Earth
Mercury is the smallest planet in the Solar System.
Mars
Venus
Earth
Pluto was downgraded to a dwarf planet because it does not clear its orbit of other debris.
Mars was downgraded for lacking volcanism.
Uranus was downgraded for its lack of rings.
Venus was downgraded for its dense atmosphere.
Earth is known as the Blue Planet because 71% of its surface is covered with water.
Earth is known as the Blue Planet because of its sky color.
Earth is known as the Blue Planet for its vegetation.
Earth is known as the Blue Planet for having a blue atmosphere.
The Great Red Spot is a massive, persistent storm on Jupiter.
The Great Red Spot is a volcanic region on Mars.
The Great Red Spot is a mountain range on Venus.
The Great Red Spot is a canyon on Mercury.