Amazing Facts About - The Universe
1. In the first trillionth on a second of its creation, the temperature of the universe was 10 Billion Trillion Trillion Degrees Celcius.
2. The Universe is expanding about 73 km (43 miles) every second.
3. There is till no definite figure of how many galaxies are there in the universe. Astronomers keep discovering new and new galaxies. The best estimate by astronomers is that there are at least 125 Billion Galaxies.
4. All Stars Rotate. The Fastest rotating star of all star is Neutron star identified as XTE J1739-285 which rotates around at the head-turning 1122 times a second.
5. In about 5 Billion years, the sun will swell up before dying as a Cold Dark Cinder in space.
6. Every second, 600 Million Tonnes of Hydrogen Gas is converted into Helium in the core of the sun.
7. "Light year" is not just a mere unit of distance. If a galaxy is 2.5 Billion light years away from earth it means we see the galaxy as it was 2.5 Billion years ago. We are looking back in time.
8. If you arrive at Mercury at night, you will freeze to death. If you arrive at day, you will be toasted.
9. If you are lost on Venus, you will either be dissolved in sulphuric acid clouds or will be cooked by the heat. It is very difficult to tell which one would happen first.
10. The distance b/w the Earth and Moon increases 3.82 cm annually. Due to this, the day becomes 0.18 milliseconds longer every century.
11. There's so little gas in the Moon's atmosphere that the amount was doubled when the Apollo craft used its rocket motors to land on the surface.
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