1. The Sun looks 1600 times fainter from Pluto than it does from the Earth.
2. There is a supemassive black hole right in the middle of the Milky Way galaxy that is 4 million times the mass of the Sun.
3. There are over 20 million observable meteors per day.
4. Only one or two meteorites per day reach the surface of Earth.
5. The typical size of a meteor is about one cubic centimeter, which is equivalent to the size of a sugar cube.
6. Each day, Earth accumulates 10 to 100 tons of material.
7. A piece of a neutron star the size of a pin point would way 1 million tons.
8. Light reflecting off the moon takes 1.2822 seconds to reach Earth.
9. There has only been one satellite destroyed by a meteor, it was the European Space Agency’s Olympus in 1993.
10. The International Space Station orbits at 248 miles above the Earth.
11. The Earth orbits the Sun at 66,700mph.
Shree krishna kc
BSc. 2nd yr
Saturday, September 11, 2010
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