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Map Marking Transit of Venus, 1770
18" x 12"
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Giclee Print

A map of the Earth marking the transit of Venus on June th Astronomy explained upon Sir Isaac Newtons principles and made easy to those who have not studied mathematics To which are added a plain method of finding the distances of all the planets from the sun by the transit of Venus over the suns disc in the year Published in Transits of Venus across the disk of the Sun are among the rarest of planetary alignments Only eight such events have occurred since the invention of the telescope A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and Earth or another planet becoming visible against the solar disk During a transit Venus can be seen from Earth as a small black disk moving across the face of the Sun Venus transits are historically of great scientific importance as they were used to gain the first realistic estimates of the size of the Solar System