Solar System

79 moons and counting

Unit of measurement equal to 149.6 million kilometers, distance from the center of the earth to the center of the sun.

2nd brightest object in the night sky; called the evening/morning star

Rotational period is close to Earth

7th from the sun

Lowest density: could float on water

An astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity.

The ringed planet

5th from the sun

No moons

Has the Galilean moons:

A cloud of gas and dust in outer space. It created the solar system.

Known as the solar system's vacuum cleaner

Coldest planet

Closest planet to Earth

A small, rocky, icy object that orbits the Sun.

Do you think Pluto is still a planet?

1000 Earth's can fit inside

Largest planet

90 times the surface pressure of Earth

Most dense inner planet

6th from the sun

Smallest planet

Heavily Cratered

Winds up to 1000km/hr

An object that orbits the Sun and is nearly spherical, but shares its orbital path with other objects of similar size.

Thin atmosphere of CO2

No atmosphere; extreme temperature differences

A meteoroid that strikes a planet or a moon.

A meteoroid that has entered Earth's atmosphere and produces a streak of light.

Dense atmosphere of CO2 traps in heat; hottest planet

First planet discovered by telescope

A small, rocky particle that moves through space.

Third largest

A small, rocky object that orbits the Sun.

Great Dark Spot

2nd from the sun

Covered in yellow clouds of sulfuric acid:

Has the Great Red Spot

Closest to the sun

3rd from the sun

8th from the sun

4th Largest

2nd largest

Methane are big parts of these planet's atmosphere

Home of Olympus Mons; Solar system's biggest volcano

A celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky.

What is the correct order of the planets?

Iron oxide in its soil

4th from the sun