While the unaided eye or binoculars can reveal much of the night sky, a telescope reveals so much more. Seeing Saturn’s rings or the Moon’s craters with your own eyes can be an “oh wow” moment. However, choosing the right telescope can be tricky. Some have lenses and some have mirrors. Some are moved by ...
Nicholas Copernicus was the astronomer who, five centuries ago, explained that Earth revolves around the Sun, rather than vice versa. A true Renaissance man, he also practiced as a mathematician, engineer, author, economic theorist, and medical doctor. Upon his death in 1543 in Frombork, Poland, Copernicus was buried in the local cathedral. Over the subsequent ...
The first hours after a fireball sighting are like a detective mystery. Recently, people across Melbourne took to social media to report sightings of a bright light slowly streaking across the sky. Video footage clearly shows the fireball break apart, with these fragments, in turn, burning up, meaning this object was big. An unexpected piece ...
Zhang Heng (A.D. 78-139) was a Chinese astronomer, mathematician, inventor, geographer, cartographer, artist, poet, statesman, and literary scholar from Nanyang, Henan Province, China. He is noted for many ancient Chinese inventions. He was well-versed in the fields of mechanics and gears, and applied his extensive knowledge in several of his ancient Chinese inventions, such as the world’s first water-powered armillary ...
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