Facts About The Sun: It takes the Sun 225–250 million years to - TopicsExpress



          

Facts About The Sun: It takes the Sun 225–250 million years to orbit the centre of the Milky Way The Sun makes up 99.86% of the mass of the Solar System The Earth could fit inside the Sun approximately 1 million times At its core the Sun has a temperatures of 15 million °C It is composed of 92.1% Hydrogen and 7.8% Helium The Sun is 24,000 – 26,000 light-years from the galactic centre The Sun is currently a type of star known as a Yellow Dwarf In approximately 6.4 billion years the Sun will become a Red Giant, expanding to the point that it will engulf Mercury and Venus After becoming a Red Giant eventually the Sun will begin to cool and will finally become a White Dwarf The distance between the Earth and the Sun is called an Astronomical Unit (AU)
Posted on: Wed, 31 Jul 2013 10:30:00 +0000

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