Saturday, April 27, 2013 4:41:25 AM
I'm sorry Carmium, all this talk of feet and inches is making my brain twitch. That statement about the smoothness of the earth is indeed correct.
Let`s go Metric.
The earth is about 6370km in radius (more useful than diameter here), on average. Everest is about 8.8km above sea level, which is an imperfection on the sphere of about 0.001%. This is more perfectly smooth than a manually manufactured bowling ball, or even a pool/snooker ball for that matter, if you take an electron microscope to it. I promise you.
Saturday, April 27, 2013 12:13:28 AM
While we're at it, that claim that dinosaurs grew big due to high oxygen content of the atmosphere is absolute bollocks, to borrow a phrase from out English IABers.
Saturday, April 27, 2013 12:02:38 AM
davymid: I'm not sure if you`re being funny or have never seen how smooth a new bowling ball is. They`re shiny. That`s how smooth. Definitely not bumpy to the tune of .07". The statement is flat-out wrong.
Friday, April 26, 2013 7:38:11 PM
Carmium, you're kinda missing the point. Scaling my dear, scaling. No-one`s suggesting that Mt Everest should be scaled down to the size of a bowling ball, which would indeed make it very bobbly. The natural imperfections from the manufacturing process are a lot more bobbly than the surface of the earth is, is the point.
Friday, April 26, 2013 9:35:46 AM
I'm always suspicious whenever an "amazing fact" has a bit of math involved. To whit: Earth is 7901 mi. in diameter or 41,717,280 feet. Divide height of Mt. Everest, 29029 feet, by that amount to get a one-foot bowling ball (a bit big) and you get a bump of .00835 feet or .100 inches. A bowling ball is 8.6" diameter, so that reduces Mt. Everest to .072 inch (or about 1/14 inch). Bumps up to a fourteenth of an inch high on a eight-and-a-half inch ball? You wouldn`t be able to roll that Earth down the alley! Earth is nowhere near as smooth as a bowling ball! But you can bet the "amazing fact" has already been repeated hundreds or thousands of times.