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Ch 12 Vocabulary
Vocab Review
| Term | Definition |
|---|---|
| Great Red Spot | A giant, continuous storm on Jupiter. |
| meteorite | A meteoroid that strikes the surface of a planet or moon. |
| Pluto | Was the ninth planet from the Sun until its demotion to dwarf planet in 2006. |
| Mercury | The smallest planet and closest to the Sun which does not have a true atmosphere. |
| Jupiter | The largest planet in the solar system. |
| solar system | The collection of planets and other bodies that revolve around the Sun. |
| meteor | A meteoroid that burns up in Earth's atmosphere. |
| Earth | The third planet from the Sun which has an atmosphere capable of sustaining life. |
| Saturn | The second largest planet in the soar system, known for its complex ring system. |
| comet | An object made of dust, ice and frozen gasses that forms gasses that forms a bright coma and tail as it approaches the Sun. |
| moon | A natural satellite of a planet that is held in its orbit by the gravitational pull of the planet. |
| Venus | This planet is similar in size to Earth and contains a thick atmosphere which causes a strong greenhouse affect. |
| Uranus | This planet is bluish-green in color and rotate on an axis which is tilted nearly sideways. |
| space probe | An instrument that is sent into space to gather information and send it back to Earth. |
| Mars | Known as the red planet, it has polar ice caps and a thin atmosphere. |
| crater | A nearly circular depression in a planet, moon, or asteroid that formed when an object from space hit its surface. |
| asteroid | A piece of rock or metal made up from material similar to that which formed the planets. |
| Neptune | The eighth planet form the Sun, is large and gaseous and has a storm in the atmosphere known as the Great Dark Spot. |