How much does lightning heat the atmosphere?
An average bolt of lightning raises the air temperature along its way to about 50,000 degrees Fahrenheit.
Chinese astronomers made the first recorded observation of Halley’s comet in 240 B.C. In 1705, English astronomer Edmund Halley was the first to theorize that comets travel in regular orbits around the sun. Proposing that “the great comet” observed in 1682 made periodic visits about every 76 years, he predicted that it would return in…
Actually called Newton’s law of gravitation, it describes the degree to which one body of matter attracts another. That attraction is in direct proportion to the product of the bodies’ masses, and in inverse proportion to the square of the distance between them. This law can be expressed in a formula first set forth in…
The 34.5-foot, 10,000-pound surface-to-surface Pershing missile has a range of approximately 400 miles.
The three most popular natural attractions in the United States are: 1. The Grand Canyon (Arizona) 2. Yellowstone National Park (Wyoming) 3. Niagara Falls (New York)
Yes. There are three gluteus muscles, the large, fleshy muscles of the buttocks that connect the hipbone (the pelvic girdle) and the thighbone (the femur). The gluteus maximus is the muscle at the surface of the buttocks, below which is the gluteus medius. The gluteus minimus is below that.
Close encounters of first kind is the sighting of UFOs. Close encounters of the second kind is the finding of physical evidence of UFOs. A close encounter of the third kind is actual physical contact with UFOs.