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1. Do you think that Earth is rotating at a constant speed? the answer is no!!, Earth’s rotation is gradually slowing which is approximately 17 Milli seconds per hundred years and the rate is not uniform.
2. In ancient days scientists believe that earth is the center of the universe. Copernicus is the person who postulated that sun was at the center of universe.
3. Earth has a nickel iron core which makes it to have a powerful magnet field. This magnetic field protects earth from effects of solar wind.
4. All the planets in our solar system are named after gods except earth.
5. Earth has the greatest density of all planets in the universe.
6. Earth is not round in shape, it is geoid. earth has a bulge at equator.
7. China’s air pollution is visible from space, not the great wall of China.
8. Earth is the only planet which has tectonic plates. They help in consumption of carbon dioxide and recycle it.
9. Do you want gold? then try to go to the core, most part of the earth’s gold lies in its core which is 99%.
10. 56.7 oc is the hottest temperature ever recorded at CA. USA in 1913.
11. -89.2 oc is the lowest temperature recorded at vastok station in Antarctica.
12. The continents move 2 cm every year.
13. Try to conserve wildlife, because within 300 years,75% of earth’s animal species could be extinct.
14. Did you know that rocks are recycled? Volcanoes spot them out and after a very long time they will get sucked down by plate tectonics or get pushed towards earth core.
15. 70% of earth’s fresh water is present in Antarctica, of which 90% is ice.
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