The Solar System

The sun

The 8 planets

Other suns

Asteroids that orbit other suns

Halley's Comet

hydrogen and nitrogen

hydrogen and helium

helium and carbon

nitrogen and argon

Nuclear reaction

Chemical reaction

Physical reaction

A star that burns for more than 4 billion years

A star that generates heat by burning particles chemically

A celestial body made of gas, that produces energy (heat) through nuclear reactions.

A massive celestial body that attracts every other celestial bodies around.

Small particles emitted by comets when they come close to the Sun

A really warm gust of wind coming from the Sun

Small particles emitted by the Sun that flows through space

Saturn and Uranus

Saturn and Jupiter

Mars and Earth

Mars and Jupiter

Gas giants and dwarf planets

Liquid and terrestrial

Gaseous and liquid

Gaseous and terrestrial

Mars

Venus

Neptune

Mercury

Mercury

Jupiter

Uranus

Neptune

Celestial body orbiting the Sun, and shines a gas tail when near the Sun.

Celestial body orbiting the Sun, and does not produce light of it's own.

Celestial body going around the Sun in an elliptical orbit.

Fragment of a comet or asteroid orbiting the Sun.

Jupiter

Mars

Uranus

Saturn