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Space Objects
| Question | Answer |
|---|---|
| What is a meteoroid? | A small piece of rock or debris traveling through space (before entering Earth’s atmosphere) |
| What is a meteor? | A meteoroid that is burning through Earth’s atmosphere, often seen as a “shooting star.” |
| What is a meteorite? | A meteor that survives the atmosphere and reaches the ground |
| What is the correct terminology chain for space debris entering Earth? | Meteoroid → Meteor → Meteorite |
| How can you quickly remember the meteoroid/meteor/meteorite sequence? | Meteoroid = in space Meteor = in the atmosphere (burning) Meteorite = hits Earth |
| Where do asteroids primarily originate? | The asteroid belt (between Mars and Jupiter) |
| Where do comets originate? | Kuiper Belt (short-period comets) Oort Cloud (long-period comets) |
| What are asteroids made of? | Mostly rock, metal, and sometimes ice. |
| What are comets made of? | Ice, dust, and rocky material (“dirty snowballs”). |
| What happens to a comet as it approaches the Sun? | Heat causes ice to vaporize, creating a glowing tail of gas and dust. |
| Key visual difference between asteroids and comets? | Asteroids: No tail, mostly rocky Comets: Bright tail when near the Sun |
| Which is more likely to produce meteorites on Earth: asteroids or comets? | Asteroids (most meteorites come from them) |
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