Category: Exploration
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Light Has Momentum?
How is that possible – And how can we take advantage? We know that light has no mass. And, according to classical mechanics, momentum is given by 1/2mv^2; in other words, according to classical mechanics, light cannot have momentum. But, as we know, light is different — and oh so interesting! By virtue of energy…
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A Messenger From Afar
‘Oumuamua, our first confirmed Extrasolar Object On October 19th, 2017, a telescope at the University of Hawaii, called Pan-STARRS1 detected an object unlike any before observed in our Solar System. It was highly elongated (by a ratio of at least 10:1), completely inert (no dust floating around or behind), and composed of rock and possibly…