The Planets

The Planets

The definition of a planet is that it is a large object that orbits a star. This could be a solid surface or not. There are 8 total planets in the Milky Way.

Mercury

Mercury

Mercury is the first planet from the sun.

Mercury has no moons.

Mercury's surface is solid.

88 days is a year on Mercury.

Venus

venus

Venus is the second planet from the sun.

Similar in size to earth.

A day on venus is longer than a year.

Atmosphere traps heat.

Earth

earth

Earth is the third planet from the sun.

Only planet in the galaxy with liquid water on the surface.

365 days in a year.

Has a single moon.

Mars

mars

Mars is the fourth planet from the sun.

53% smaller than Earth.

Mars year is almost 2 Earth years.

Has a rocky surface.

Jupiter

jupiter

Jupiter is the fifth planet from the sun.

Has a red spot the size of earth.

Jupiter has no solid surface.

A Jupiter day is 10 Earth years and a year is 12 earth years.

Saturn

saturn

Saturn is the sixth planet from the sun.

Saturn is the second largest planet in the galaxy.

Saturn has no solid surface.

A Saturn year is 29 Earth years.

Uranus

uranus

Uranus is the seventh planet from the sun.

Uranus is four times wider than Earth.

Uranus is mostly made of icy fluid.

A Uranus year is 84 Earth years.

Neptune

neptune

Neptune is the 8th planet from the sun.

Like Uranus, Neptune is four times wider than Earth.

Also like Uranus, Neptune is mostly made of icy fluid.

Neptune has 14 moons.