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Paul Jr.

Sun Facts

Facts About The Sun

1. One million Earths could fit inside the Sun
~If a hollow Sun was filled up with spherical Earths then around 960,000 would fit inside. 

2. Eventually, the Sun will consume the Earth
~When all the Hydrogen has been burned, the Sun will continue for about 130 million more years, burning Helium. 

3 . The Sun will one day be about the size of Earth:
~After its red giant phase, the Sun will collapse, retaining its enormous mass, but containing the approximate volume of our planet. When this happens, it will be called a white dwarf.

4. The Sun contains 99.86% of the mass in the Solar System:
~The mass of the Sun is approximately 330,000 times greater than that of Earth. It is almost three quarters Hydrogen, whilst most of the remaining mass is Helium.

5. The Sun is an almost perfect sphere:
~There is only a 10 kilometre difference in its polar diameter compared to its equatorial diameter.

6. Light from the Sun takes eight minutes to reach Earth:
~With a mean average distance of 150 million kilometres from Earth and with light travelling at 300,000 kilometres per second, dividing one by the other gives us an approximate time of eight minutes . 

7. The Sun travels at 220 kilometres per second:
~The Sun is 24,000-26,000 light years from the galactic centre and it takes the Sun 225-250 million years to complete an orbit of the centre of the Milky Way.

8. The distance from the Sun to Earth changes throughout the year:
~Because the Earth travels on an elliptical orbit around the Sun, the distance between the two bodies varies from 147 to 152 million kilometres. 

9. The Sun is middle-aged:
~At around 4.5 billion years old, the Sun has already burned off about half of its store of Hydrogen.

10. The temperature inside the Sun can reach 15 million degrees Celsius
~At the Sun’s core, energy is generated by nuclear fusion, as Hydrogen converts to Helium. Because hot objects generally expand, the Sun would explode like a giant bomb if it weren’t for its enormous gravitational force.

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