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2,000-year-old carvings of celestial bodies and animals discovered on rocky cliffs in BrazilBrazilian archaeologists have discovered a vast number of 2,000-year-old rock carvings that depict human footprints, celestial-body-like figures, and representations of animals, such as deer and ...
This accessible text on classical celestial mechanics, the principles governing the motions of bodies in the Solar System ... completed courses in classical mechanics and multivariate vector calculus.
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