click below
click below
Normal Size Small Size show me how
Glossary
Has assorted words to learn for this topic.
Term | Definition |
---|---|
Artificial satellites | Satellites placed into orbit by humans |
Asteroid | An irregular rocky object in orbit around the Sun between the orbits of Mars and Jupiter. |
Asteroid belt | A group of rocks that orbit the Sun in a band between Mars and Jupiter. |
Comet | A ball of ice, dust and rock that orbits the Sun in a highly elliptical orbit. |
Gas giants | The large planets of the outer solar system: Jupiter, Saturn, Uranus and Neptune. |
Meteor | A meteoroid that enters the Earth's atmosphere, usually creating a blue streak as it burns up: a shooting star. |
Meteorite | A meteor big enough for a part of it to fall on the ground. |
Meteoroid | A small particle or body of rock that orbits the Sun near the Earth's orbit. |
Milky Way | The galaxy in which the solar system is located. |
Phases | Different shapes of the moon as seen from Earth. |
Solar system | The Sun and all the planets, satellites, comets and other bodies revolving around it. |
Terrestrial | Earth-like, rocky. The four terrestrial planets are Mercury, Venus, Earth and Mars. |