Planets

Front

Almost Earth’s twin in size and mass, this planet has very thick atmosphere. Options: Venus, Mars, Mercury, Neptune

Back

Venus

Front

The surface of this planet appears red due to rusting iron in the rocks. Options: Mercury, Mars, Pluto, Venus

Back

Mars

Front

Some scientists believe that this dwarf planet is actually a very large comet caught in a permanent orbit. Options: Eris, Pluto, Mars, Neptune

Back

Pluto

Front

This cold, blue planet was discovered by a mathematical prediction.

Back

Neptune

Front

This is the largest planet in the solar system. Options: Saturn, Jupiter, Uranus, Venus

Back

Jupiter

Front

This is the smallest planet in the solar system Options: Mercury, Venus, Earth, Mars

Back

Mercury

Front

Its largest moon is Titan. Options: Saturn, Jupiter, Neptune, Uranus

Back

Saturn

Front

This has an extremely elliptical orbit - Options: Pluto, Neptune, Uranus, Saturn

Back

Pluto

Front

Only planet known to have life

Back

Earth

Front

The largest known volcano in the solar system, Olympus Mons, is located on this planet. Options: Venus, Mars, Mercury, Earth

Back

Mars