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Stack #4595613
| Question | Answer |
|---|---|
| Astronmaical unit | Used to measure far distance in space 1 au =distance from earth to sun |
| Meteoroid | Chunk of rock smaller than asteroid |
| Meteor | Streak of light |
| Meteorite | Space rock found on earth |
| Asteroids | Millions of small rocky objects theType orbit the Sun in the asteroid belt between Mars and Jupiter |
| Comets | Made gas dust and ice revile around the sun in the Kuiper belt and Oort cloud |
| Inner plants | Terrestrial planets Solid and rocky Mercury Venus earth and mars |
| Outer plants | Gas giants Made of ice and gas Hydrogen and helium |
| Mercury | Clostest plant to the sun NOT THE HOTEST so small it lacks gravity and atmosphere |
| Venus | Hottest planet Greenhouse effect Days are longer than a year Romain time isn’t Acid clouds |
| Earth | Only plant with known life Moderate temperatures Protective atmosphere Liquid water |
| Mars | Largest known mountain Olympus mons Posssible sings of life |
| Terrestrial plants | The four inner plants |
| Greenhouse effect | Occurs when a plants atmosphere traps solar energy and causes the temperature to increase |
| Jupiter | Largest planets Galilean moons Great red spot |
| Saturn | Most complex ring system Least Denice planets it would float Titan largest moon |
| Uranus | Rotation axis is tilted 90 degrees So rotates like a bowling ball |
| Neptune | Longest period of revolution Swirling storms wildest planet |
| Gas giants | Nickname for the 4 outer planets |
| Galilean moon | 4 moon Galileo discover Around Jupiter Io Europa Ganymede Callisto |
| Dwarf planets | Pluto was the first Same as planets but not larger than its neighbors Ceres in the asteroid belt |