This shadow was created by Phobos, a satellite of Mars. Photo captured and sent by perseverance Phobos is 150 times smaller than our Moon and 50 times closer to Mars. Because it is so close, Phobos will crash into Mars...
It is no wonder that Stephen William Hawking, the genius who discovered the secrets of the universe that amazed the whole world for 55 long years in a wheelchair despite being exhausted all over his body, is called a superhero....
In the mid-twentieth century, aerospace engineering made great strides in aircraft technology. That is, the aircraft was redesigned, including increased safety so that it could carry more passengers and go faster. Until the 1950s, aircraft windows were square. When commercial...
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