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Unit 8.1 Words
Words in Unit 8.1
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, Neptune. |
Meteor | A meteoroid that enters Earth's atmosphere, usually creating a bright streak across the sky as it burns up; a shooting star |
Meteorite | A meteor big enough for part of it to hit the ground |
Meteoroid | A small particle or body of rock that orbits the Sun near 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, asteroids, comets and other bodies revolving around it |
Terrestrial | Earth-like, rocky. The terrestrial planets are Mercury, Venus, Earth and Mars. |