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Solar system
| Question | Answer |
|---|---|
| Astronomical unit | Used to measure far distances in space 1 AU=distance from earth to the sun |
| Meteoroid | Chunks of rock smaller than asteroid |
| Metor | Streak of light |
| Meteorite | Space rock found on earth |
| Astridoids | Millions of small rocky objects that orbit the earth sun in the asteroid belts between mars and Jupiter |
| Comets | Made of gas dust and ice revolve around the sun in the kuliper belt and Oort Cloud |
| Inner planets | Trestleal planets Solid rocky Mercury venous earth mars |
| Outter planets | Gas giants made of ice and gas Jupiter Saturn Uranus Neptune Rings and moons hydrogen and helium |