Our Solar System Intro Video Your Parents Solar
- Slides: 21
Our Solar System Intro Video
Your Parents’ Solar System
21 st Century Solar System
The Solar System: List of Ingredients Ingredient Sun Jupiter Other planets Everything else Percent of total mass: 99. 8% 0. 1% 0. 05%
Our Solar System Our solar system is made up of: n n n Sun Nine planets Their moons Asteroids Comets
The Sun n Shines because it is hot: n n n Mostly Hydrogen & Helium ~4. 6 billion years old Surface Temp ~6000 C Mostly Visible, UV & IR light Kept hot by nuclear fusion in its core: n n Builds Helium from Hydrogen fusion. Will shine for ~12 billion years
Inner Planets The inner four “rocky” planets at the center of the solar system are: n Mercury n Venus n Earth n Mars
Mercury n n n Planet nearest the sun Second smallest planet Covered with craters Has no moons or rings About size of Earth’s moon Extremely hot = 450 o C & Cold @ -150
Venus n n n Sister planet to Earth Has no moons or rings Hot, 464 o C Temperature, thick atmosphere Brightest object in sky besides sun and moon (looks like bright star) Covered with craters, volcanoes, and mountains
Earth n n n Third planet from sun Only planet known to have life and liquid water Atmosphere composed of Nitrogen (78%), Oxygen (21%), and other gases (1%).
Mars n n Fourth planet from sun Appears as bright reddish color in the night sky Surface features volcanoes and huge dust storms Has 2 moons: Phobos and Deimos
Outer Planets The outer planets are considered “giant gas” planets: n Jupiter n Saturn n Uranus n Neptune
Jupiter n n n Largest planet in solar system Brightest planet in sky 60+ moons, 5 visible from Earth Strong magnetic field Giant red spot
Saturn n n 6 th planet from sun Beautiful set of rings 31 moons Largest moon, Titan, Easily visible in the night sky
Uranus n n n 7 th planet from sun Has a faint ring system 27 known moons Covered with clouds Uranus sits on its side with the north and south poles sticking out the sides.
Neptune n n n 8 th planet from sun Discovered through math 7 known moons Triton largest moon Great Dark Spot thought to be a hole, similar to the hole in the ozone layer on Earth
Outermost Dwarf Planet n Pluto, the outermost , is a small solid icy planet is smaller than the Earth's Moon.
Pluto n n 9 th planet from sun (usually) Never visited by spacecraft Orbits very slowly Moon, Charon, is very close to Pluto and about the same size
Asteroids n n Small bodies Believed to be left over from the beginning of the solar system billions of years ago 100, 000 asteroids lie in belt between Mars and Jupiter Largest asteroids have been given names
Comets n n n Small icy bodies Travel past the Sun Give off gas and dust as they pass by
Writing Activity n Write a paragraph about the solar system. Include 5 facts covered in this presentation.
- Solar system intro
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- Chapter 29 our solar system
- Chapter 28 our solar system
- Chapter 23 touring our solar system
- Chapter 28 our solar system
- Solar system planets
- [email protected]
- Write about our solar system
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- Our life is what our thoughts make it