<span>Because he had ideas way ahead of his time. He had many gifts and abilities. He was an artist, inventor, scientist etc. For example, he did many sketches of machines that looked like inventions made a few centuries later:flying machine, tank, helicopter. He also drew detailed images pf some of the first autopsies to document biological anatomy.
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It was the most accurate calendar of the time!
Satellite imagery can prove to be very useful at times and at many occasions will be more beneficial using Satellite imagery than the plain old maps. For instance, it can be used to track weather systems, especially floods and other storms such as hurricanes. And most of the times, the reliability of the data is accurate. Other than that Satellite imagery is a vital tool for many meteorologist.
