SNC1D. SOLAR SYSTEM. The Layout of the Solar System. Large bodies in the Solar System have orderly motions planets orbit counterclockwise in same plane orbits are almost circular the Sun and most planets rotate counterclockwise most moons orbit counterclockwise.
Mercury: no moons
Venus: no moons
Earth: one moon (Luna)
Mars: two minor moons, Phobos and Deimos
Jupiter: Io ,Europa , Ganymede, Calliso
Uranus: several minor moons
Pluto: one minor moon, Charon
Comets are objects composed of dust and ice that come from the far reaches of the solar system on extremely elliptical orbits.
They appear to come from the Kuiper (pronounced Cai-per) Belt (for relatively short period comets) and an area known as the Oort Cloud (for much longer period comets).
Meteorsare grains of dust and small “rocks” that fall through the atmosphere and glow due to the heat of air resistance as they fall.
Meteorites are the remains that reach the earth’s surface.
Meteroids are the material of meteors in space (before they become meteors). Some of this material comes from dust from comets, some from asteroids.
The remains of the disk which formed the Solar System is still out there beyond Neptune, and Pluto is part of a large crowd of small icy bodies (Kuiper Belt).