Mars is the first planet outside the Earth's orbit, with a year 1.88 Earth years long. It has a very thin carbon dioxide atmosphere, and a mean surface temperature of a chilly -63°C.
Mars has two natural satellites, the small moons Phobos and Deimos.
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Mathematics is the most important tool of science. The quest to understand the world and the universe using mathematics is as old as civilisation, and has led to the science and technology of today. Learn about the techniques and history of mathematics on ScienceLibrary.info.
1826 - 1866
Bernhard Riemann was a German mathematician whose revolutionary ideas of multi-dimensional space challenged Euclidean geometry perspectives, and ultimately led mathematics to radically new approaches, and found applications in many fields, such as General Relativity.
Mathematics is the language with which God has written the universe.
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