Its largest satellite is Charon.
Pluto
First planet discovered in modern times.
Uranus
Great Red Spot.
Jupiter
First in the alphabetical order.
Earth
Densest atmosphere of all the terrestrial planets.
Venus
Triton is one of its moons.
Neptune
Named after the Roman goddess of love.
Venus
Has two moons, Phobos and Deimos.
Mars
First planet discovered with mathematical prediction rather than observations.
Neptune
Discovered by William Herschel.
Uranus
Has the highest mountain in the solar system, Olympus Mons.
Mars
Names of satellites are chosen from the works of Shakespeare and Alexander Pope.
Uranus
Only planet that is less dense than water.
Saturn
Two and a half times as massive as all of the other planets combined.
Jupiter
Its defining features are composed of Ice.
Saturn (the rings)
English name does not derive from Greek/Roman mythology.
Earth
Orbits the Sun once every 88 days.
Mercury
Named after the Greek god of the sky.
Uranus
Only planet named after a female figure.
Venus
Red planet.
Mars
Jovian planets/Gas giants.
Jupiter, Saturn, Uranus, Neptune
Has the largest canyon in the Solar System, Valles Marineris.
Mars
The Terrestrial planets .
Mercury, Venus, Earth, Mars
The name was first suggested by Venetia Burney, a 11-yr old girl.
Pluto
Blue planet.
Neptune
Great Dark Spot.
Neptune
Craters are an obvious feature of the landscape.
Mercury
Only spacecraft to approach it was Mariner 10 from 1974 to 1975.
Mercury
Earth's sister planet.
Venus
Surface temperature is -230°C.
Pluto
Spins in the opposite direction relative to all the others.
Venus
New Horizons would be the first spacecraft to fly by and study it and its moons in 2015.
Pluto
Morning Star or the Evening Star.
Venus
Has the strongest winds of any planet.
Neptune
Named after the Roman god of the sea.
Neptune
Of the gas giants, it has the highest density.
Neptune
Particles from Solar wind are responsible for its Aurora.
Earth
Hydrogen, methane and ammonia make up its atmosphere.
Jupiter