Transcript THE SUN - USD 475

By: Annie Johnson
The Sun is known as a G2V star. It is the largest star located in the
CENTER of our Solar System.
 Believe it or not the sun is not a perfect sphere. Many ridges are located
on the Sun’s outer core.
Temperature = Around 10,000°F at the surface and at the core it rises to
about 27,000,000°F!!
The Sun has no moons because it is a star.
A full day rotation is 26.8 days.
The sun does not have a full year rotation.
The diameter of the Sun is 1,390,000 KM
*Distance to the Planets- (AU’s and KM)
Planet
Distance in AU’s
Distance in KM
Mercury
0.387
58,000,000
Venus
0.723
108,000,000
Earth
1.000
150,000,000
Mars
1.524
228,000,000
Jupiter
5.203
778,000,000
Saturn
9.523
1,429,000,000
Uranus
19.203
2,875,000,000
Neptune
30.087
4,504,000,000
Pluto
39.746
5,900,000,000
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The sun is made up of carbon, nitrogen, and
oxygen  makes up 1.5% of the Sun.
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The other 0.5% is made up of neon, iron,
silicon, magnesium, and sulfur.
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The sun shines by burning off Hydrogen.

99.86 of the Solar System is the Sun.

Light from the Sun takes approximately 8
minutes to reach Earth!
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The Sun generates Solar Wind.
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One millions Earths can fit in the Sun!
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Every second the Sun loses 5 millions tons of
material!
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If the Sun were to stop producing energy today,
it would take 50 million years to fully effect
Earth.
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Based on the average life of a G2 star
the present age of the Sun is estimated
to be 4.6 billion years old. (Half way through its
lifetime.
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http://www.enchantedlearning.com/subjects/astronomy/stars/start
ypes.shtml
http://en.wikipedia.org/wiki/Sun
http://www.sciencedaily.com/releases/2008/10/081005192607.htm
http://idahoptv.org/ntti/nttilessons/lessons2000/lau1.html
Young Scientist Space Technology Textbook.
www.NinePlanets .com
Solar System Poster