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The Sun Closest Star to Earth

The Sun Closest Star to Earth. Characteristics of the Sun. Size The sun measures 1.4 million kilometers across. 110 times bigger than Earth’s diameter!. Characteristics of the Sun. Atmosphere The Sun’s atmosphere consists of 92.1% hydrogen gas and 7.8% helium with traces of other elements.

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The Sun Closest Star to Earth

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  1. The SunClosest Star to Earth

  2. Characteristics of the Sun • Size • The sun measures 1.4 million kilometers across. 110 times bigger than Earth’s diameter!

  3. Characteristics of the Sun • Atmosphere • The Sun’s atmosphere consists of 92.1% hydrogen gas and 7.8% helium with traces of other elements.

  4. Characteristics of the Sun • Layers of the Sun’s Atmosphere • The Core • Where nuclear fusion (hydrogen squeezed together to make helium) takes place. • Photosphere • The layer that makes the light we see from Earth • Chromosphere • Gives the sun its color • Corona (Crown) • The white halo that surrounds the sun

  5. Characteristics of the Sun • Features on the Sun’s Surface • Sunspots • Darker, cooler areas on the Sun’s surface • Prominences • Reddish loops of gas that link sunspots • Solar Flares • Prominences that collide and create an explosion of hydrogen gas

  6. Objects That Go Around the Sun • Satellites • The Sun has eight satellites called planets. These include Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. • Other Objects that Orbit the Sun • Asteroids • Located Between Mars and Jupiter • Comets • Chunks of ice and dust that orbit the Sun in elliptical (oval) orbits • Dwarf Planets • Small planets like Pluto and Charon.

  7. Sun Fun Facts • The sun makes up 99.8% of the entire solar system’s mass. • The sun has no solid surface, its just a big ball of glowing gas.

  8. Exploration of the Sun • Transition and Regional Coronial Explorer Satellite • Gathers gamma ray and x-ray images of the sun that are unattainable from Earth.

  9. Resources • http://vic.onenation.com.au/global-warming-01_files/070907sun.jpg • http://hypertextbook.com/facts/2004/AmyChan.shtml • http://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Solar_sys.jpg/750px-Solar_sys.jpg • http://www.lockheedmartin.com/data/assets/4204.jpg • http://library.thinkquest.org/15215/Facts/index.html • http://www.nasa.gov/worldbook/sun_worldbook.html • Padilla, Michael (2008). Focus on Physical Science. Upper Saddle River, New Jersey : Prentice Hall.

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