facts about earth
The Earth’s rotation is gradually slowing.
The Earth was once believed to be the centre of the universe.
Earth has a powerful magnetic field.
There is only one natural satellite of the planet Earth.
Earth is the only planet not named after a god.
The Earth is the densest planet in the Solar System.
facts about mars
Mars and Earth have approximately the same landmass.
Mars is home to the tallest mountain in the solar system.
Only 18 missions to Mars have been successful.
On Mars the Sun appears about half the size as it does on Earth.
Pieces of Mars have fallen to Earth.
Mars takes its name from the Roman god of war.
There are signs of liquid water on Mars.
One day Mars will have a ring.
facts about jupiter
Jupiter is the fourth brightest object in the solar system.
The ancient Babylonians were the first to record their sightings of Jupiter.
Jupiter has the shortest day of all the planets..
Jupiter orbits the Sun once every 11.8 Earth years.
Jupiter has unique cloud features.
The Great Red Spot is a huge storm on Jupiter.
Jupiter’s interior is made of rock, metal, and hydrogen compounds.
Jupiter’s moon Ganymede is the largest moon in the solar system.
Jupiter has a thin ring system.
Eight spacecraft have visited Jupiter.
facts about saturn
Saturn can be seen with the naked eye.
Saturn was known to the ancients, including the Babylonians and Far Eastern observers.
Saturn is the flattest planet.
Saturn orbits the Sun once every 29.4 Earth years.
Saturn’s upper atmosphere is divided into bands of clouds.
Saturn has oval-shaped storms similar to Jupiter’s.
Saturn is made mostly of hydrogen.
Saturn has the most extensive rings in the solar system.
Saturn has 150 moons and smaller moonlets.
Titan is a moon with complex and dense nitrogen-rich atmosphere.
Four spacecraft have visited Saturn.
facts about uranus
Uranus was officially discovered by Sir William Herschel in 1781.
Uranus turns on its axis once every 17 hours, 14 minutes.
Uranus makes one trip around the Sun every 84 Earth years.
Uranus is often referred to as an “ice giant” planet.
Uranus hits the coldest temperatures of any planet.
Uranus has two sets of very thin dark coloured rings.
Uranus’ moons are named after characters created by William Shakespeare and Alexander Pope.
Only one spacecraft has flown by Uranus.
facts about neptune
Neptune was not known to the ancients.
Neptune spins on its axis very rapidly.
Neptune is the smallest of the ice giants.
The atmosphere of Neptune is made of hydrogen and helium, with some methane.
Neptune has a very active climate.
Neptune has a very thin collection of rings.
Neptune has 14 moon.
Only one spacecraft has flown by Neptune.