1. The nearest star to the sun is located 4.3 light years from it.
2. The sun is 149.6 million km from earth.
3. The sun is 1.4 million km wide.
4. It mass is nearly 330,000 times that of earth.
5. The surface brightness of the sun is 398,000 times the brightness of a full moon.
6. It contains approximately 98% of the Solar Systems total mass.
7. At its core, the sun's temperature is approximately 15,000,000 degrees Celsius.
8. The sun is believed to have been active for approximately 4.6 billion years.
9. It is estimated that the sun has another 5 billion years of existence, before it burns out.
10. The sun is made up of 92.1% Hydrogen.
11. Every second, the sun converts 700 million tons of hydrogen into helium ashes.
12. The sun rotates every 25-36 days.
13. The sun is the closest star to earth.
1. Because Pluto's orbit is elliptical, Neptune occasionally orbits further away from the sun then Pluto, making it the furthest planet. However now that Pluto is no longer officially a planet, Neptune is always the furthest planet from the Sun, and Earth.
2. Neptune has the strongest winds in the Solar System.
3. Neptune is the coldest planet in the Solar System.
4. The gravity on Neptune is only 17% stronger then that on earth.
5. One day on Neptune measures about 16 earth hours.
6. Whether the English or French discovered Neptune is still in dispute.
7. A year on Neptune measures 165 earth years.
8. Neptune is named after the Roman god of the seas, due to its blue color.
9. Neptune's moon, Triton, is eventually getting closer to it. it is believed that eventually the gravity of Neptune will tear this moon apart.
10. Triton has the coldest temperatures measured in the Solar System, about -230C.
11. There is a permanent cloud on Neptune known as the "Scooter".
12. Voyager 2 is the only spacecraft to have visited Neptune, in 1989.
13. Neptune is the fourth largest planet among the eight planets in our Solar System.
1. The nearest star to the sun is located 4.3 light years from it.
