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Solar System
Solar system
| Astronomical unit | Used to measure far distances in space 1 AU= Distance from the earth to the sun. |
| Meteoroid | Chunk of rock smaller than asteroids. |
| Meteor | Streak of light. |
| Meteorite | Space rock found on Earth. |
| Asteroids | Millions of small rocky objects that orbit the Sun in the asteroid belt between Mars and Jupiter. |
| Comets | Made of gas, dust, and ice, revolve around the Sun in the Kuiper Belt and The Oort Cloud. |
| Inner Planets | - Terrestrial Planets -Solid and rocky - Mercury, Venus, Earth, Mars |
| Outer Planets | - Gas Giants - |
| Planet | Spherical, orbits the Sun, clears it’s Orbit |
| Mercury | Closest planet to the sun, NOT THE HOTTEST- so small it lacks gravity and atmosphere. |
| Venus | Hottest planet, Greenhouse Effect, Day is longer than a year-rotation time is longer than its revolution, Acid clouds. |
| Earth |