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Solar System
It's about the planets
| Term | Definition |
|---|---|
| 1. Meteor | A streak of light in the sky produced by the burning of a meteoroid in Earth's atmoshpere |
| 2. Asteroid Belt | Any of thousands of dence rocky objects in orbit around the sun between Mars and Jupiter |
| 3. Comet | A ball of ice, dust, and frozen gases that orbits the sun |
| 4. Revolution | The movement od an object around another object |
| 5. Rotation | The spinning motion of a planet on it's axis |
| 6. Outter Planets | Gas giant planets found outside of the asterroid belt |
| 7. Inner Planets | Terrestrial (earth-like) planets that are dence solids located between the sun and the asterroid belt |
| 8. Gravity | The attractive force between two objects |
| 9. Axial tilt | The invisable axis that are tilted allowing for seasons to occur. |
| 10. Probe | A robotic spacecraft that leaves Earth's orbut and explores space |
| 11. Satellite | Any object that revoles around another object in space. Can be artificial or natural |
| 12. Heliocentric Theroy | Nicolaus Copernicus idea that the Earth, planets , and stars all revolved around the sun |
| 13. Geocentric Theory | Aristtotle and ptolemy believed that the Earth was the center of the Universe and all objects revolved around it |
| 14. Tides | The rise and fall of sea levels caused by the combined effects of gravitational forces exerted by the moon |
| 15. Greenhouse Effect | Is the process by which radiation from a planets atmosphere warms the planet's surface to a temperature above what it would be without an atmosphere |
| 16. illuminated | to light up |
| 17. Celestial Objets | Known collectively by astronomers as celestial bodies, astronomical bodies, they are the stuff that fills the empty space of the Universe |
| 18. Lunar Eclipse | Occurs when the Earth is between the sun and the moon. Sunlight is blocked by the Earth |
| 19. Solar Eclipse | Occurs during te NEW MOON PHASE when the moon passes between the Sun and Earth, and the moon fully or partially blocks the sun |
| 20. Autumn | The season between summer and winter known as fall in North America |
| 21. Equinox | The time and date when the sun passes directly over the equater the length of day and night are equal |
| 22. Solstice | Thetome and date when the sun it at its greatest distance from the equator; length of day and night show greatest difference |
| 23. Orbit | Revolve around Circle around Go around Travel around |
| 24. Diameter | The equater is the diameter of the Earth |
| 25. Survivable Temperaturs | The highest and lowest temperatures that humans can stand without dying |
| 26. Astronomer | The study of celestial objets |
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