Misconceptions
November 6, 2007
- In many instances we just many information as truth when it fact they are not. Here are some of them:
- Spaghetti bolognese did not originate in Italy. The actual name in Italian is spaghetti con ragù, which means spaghetti with ragù. Spaghetti bolognese is actually the German name.
- French fries probably originated in Belgium. The name comes from the cooking term “to French” which means to cut food into strips, hence they are “frenched and fried”.
- While in a low orbit, a viewer can see the Great Wall of China (pictured here in a satellite image) from space, but it is not unique in that regard. From a low orbit of the earth, many artificial objects are visible on the earth, not just the Great Wall of China: highways, ships in the sea, dams, railroads, cities, fields of crops, airports, and even some individual buildings. As to the claim that it is the only man-made object visible from the moon, Apollo astronauts reported that they could not see any man-made object from the moon, not even the Great Wall.
- When a meteor lands on Earth (after which it is termed a meteorite), it is not usually hot. Small meteorites are not hot when they fall to Earth — in fact, many are found with frost on them. A meteorite has been in the near–absolute zero temperature of space for billions of years, so the interior of it is very cold. A meteor’s great speed is enough to melt its outside layer, but any molten material will be quickly blown off (ablated), and the interior of the meteor does not have time to heat up because rocks are poor conductors of heat. Also, atmospheric drag can slow small meteors to terminal velocity by the time they hit the ground, giving them time to cool down.
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