GPS makes use of radio alerts from a community of satellites orbiting Earth at an altitude of 20,000 km to pinpoint the placement of a GPS receiver. The accuracy of GPS positioning depends upon precision in time measurements of billionths of a second. To realize such timing precision, nevertheless, relativity must be taken into account....Read More
In brief, a meteorite or asteroid of a adequate dimension impacts the Earth. If the article is large sufficient it should create an explosion that would actually generate sufficient heat to show burn away the environment, flip thousands and thousands of sq. miles of the planet’s floor to molten rock, set off vast quantities of...Read More
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