Solar System

Mercury

Mercury is a terrestrial planet with a diameter of 58 million km (36 million miles).

A year on Mercury is 88 earth days, and a day is 15 hours. Mercury has no moons or rings.

Fun fact about Mercury is that its the closes to the sun.

Venus

Venus is also a terrestrial planet that has a diameter of 12,104 km (7,521m). A day on Venus is 18 hours and a year is 225 earth days. Venus has no moons or rings.

Fun fact: More than 40 space crafts have explored Venus.

Mars

Mars is a terrestrial planet with a diameter of 4,222 mi and 6,795 km. Mars has a day of 24 hours and a year of 687 earth days. Mars has no rings but has 2 moons

Fun fact: all water is frozen

Jupiter

Jupiter is a gaseous planet with a diameter of 142,984 km and 228,774m. a year is 10 hours and a year is 12 earth years. Jupiter has 67 moons and 3 rings.

Fun fact: The Juno mission will arrive at Jupiter in 2016.

Saturn

Saturn is a gaseous planet with a diameter of 120,536 km and 193,857 m.

Day:10 hours and a year:30 earth years. Saturn has 7 rings and 53 moons. Its the biggest planet.

Uranus

Uranus is gaseous with a diameter of 31,518 mi and 50,724 km. A day is 17 hours and a year is 84 years. It has 27 moons and 13 rings.

Fun fact: first planet seen with a telescope.

Neptune

Neptune is a gaseous planet with the diameter of 30,599 mi and 49,244 km and a day on Neptune is 16 hours and a year is 165 days. It has 13 moons and 6 rings .

Fun fact: Its the most dense planet.

Asteroid

It chemical composition and a rocky surface. The diameter is 950 km 590 mi also is located in the asteroid belt.

Meteoroid

Meteoroid is rocky and metallic with iron. Meteoroid travels in outer space and a meteor is in the asteroid belt also meteorite is in outer space.

Comet

Comet Ison is icy and 0.5 mi. It was discovered in 2012 and the period of revolution is 76 years. Two body parts are Dust tail and nucleus.

Dwarf Planet

Pluto was discovered in 1930. The diameter is 1,430 mi and is gaseous. The period of revolution is 248 years