Binocular Observing: Venus

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Our closest planetary neighbour in orbital proximity and size, Venus, was thought to be Earth’s twin, until probes of its surface exposed a very different reality. Its dense, corrosive atmosphere, a hundred times thicker than our own, conceals a surface shaped by turbulent volcanic eruptions and violent impact craters.

Venus was the first planet to have its path across the sky studied – records of its motions from as early as 2000 B.C. have been found.

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