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Although transits of planets across the Sun are rare (only Mercury and Venus orbit the Sun closer than us, and so can transit the Suns disc) amateur astronomers can observe, record and image other kinds of transits that are much more frequent. This book first tells the fascinating... Read Full Overview

Although transits of planets across the Sun are rare (only Mercury and Venus orbit the Sun closer than us, and so can transit the Sun's disc) amateur astronomers can observe, record and image other kinds of transit, which are very much more frequent. Transit is in two... Read Full Overview