The sun
Planets
Oddities of the Solar System
Asteroids and comets
100

The Sun is primarily made of this element.


Hydrogen.

100

It is called the "Red Planet"

Mars

100

This planet is known for its large, beautiful rings.

Saturn

100

These rocky objects are much smaller than planets and orbit the Sun.

Asteroids

200

The Sun rises in the east and sets in the west because Earth:

Rotates

200

The closest planet to the Sun is: 

Mercury

200

Earth spins on one of these.

Axis

200

These icy space objects grow long tails when they get close to the Sun.

Comets

300

This energy from the Sun warms Earth.

Sunlight

300

The largest planet in our solar system.

Jupiter

300

These colorful lights can be seen near the North and South Poles.

Auroras

300

The most famous periodic comet is named after Edmund Halley.

Halley's comet


400

This zone of the Sun transports energy outward through photon absorption and re-emission.

Radiative zone

400

The planet with the fastest winds in the solar system


Neptune

400

This giant red storm has been raging on Jupiter for centuries.

The Great Red Spot 

400

This region beyond Neptune contains many icy bodies, including Pluto.

The Kuiper Belt.