Friday, August 10, 2007

SCIENCE TIPS

VELOCITIES



1) Moon Speed: 3,680 km. per hour

2) Sun Speed: 250 km. per second

3) Light Speed: 1,86,282 miles per second

3 lakhs - 10 k.m.

4) Atmospher Weather Speed: 24,000 miles per day

5) Escape Velocity on Earth: 7 miles or 11 k.m. per second

6) Escape Velocity on Sun: 620 k.m. per second

7) Sound Velocity: 330 m.m. per second

8) Sun's Rotation at Equator: 25 days and 9 hours, at poles 33 days

9) Cosmic Year: 25 crore year in reference to milky way

10) The Rotation of milky way takes 50 crore years

11) 1 parsec - 360 light years

12) Earth revolves round the sun with orbital distance 60 crore miles

13) The light travels in a year: 6 lakhs crore miles