Wednesday, January 19, 2011

The Sun

The sun has sunspots

•The sun gives us light

•The sun is a medium sized star

•The sun contains 99.85 % of the mass in the solar system% healver elements.

•Approximately 109 planet earths would fit on the surface of the sun and more than 1 millon planet  earths would fit in the sun.

•The sun is one among the 200 billon stars in  our milky way .

•Each second the sun loses  5 millon tons of material.

•The  gravity at the surface of the sun is 28 times that of the earth.
 
•After 7.7  billon years from now the sun will become a  Red Giant.

•After 7.9 millon years from now the sun will become a White Dwarf

•The sun will remain as a White Drarf indefinitely after 7.9 billon years.

•At any place on earth a total solar eclipses occuron an average of every 360 years.

• The surface area of sun is equivalent to that of 11990 earths.

• The sun's temperture at the core's 14 millon kelvin.

• The age of the sun is 4.57 millon years old.

• The expected life timre of the sun is anther 5 millon years

 •No total solar eclipse can last longer than 7 min. and 40 sec.

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