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  2. Transit of Venus - Wikipedia

    en.wikipedia.org/wiki/Transit_of_Venus

    This approximate conjunction is not precise enough to produce a triplet, as Venus arrives 22 hours earlier each time. The last transit not to be part of a pair was in 1396 (the planet passed slightly above the disc of the Sun in 1388); [33] the next one will be in 3089. [citation needed] After 243 years the transits of Venus return.

  3. 1639 transit of Venus - Wikipedia

    en.wikipedia.org/wiki/1639_transit_of_Venus

    Kepler's De raris mirisque Anni 1631 Phaenomenis notice to astronomers of the impending transits of Mercury and Venus, 1631. By the 17th century, two developments allowed for the transits of planets across the face of the Sun to be predicted and observed: the telescope and the new astronomy of Johannes Kepler, which assumed elliptical, rather than circular, planetary orbits.

  4. Observations and explorations of Venus - Wikipedia

    en.wikipedia.org/wiki/Observations_and...

    The observation by Mikhail Lomonosov of the transit of 1761 provided the first evidence that Venus had an atmosphere, and the 19th-century observations of parallax during Venus transits allowed the distance between the Earth and Sun to be accurately calculated for the first time. Transits can only occur either in early June or early December ...

  5. 2012 transit of Venus - Wikipedia

    en.wikipedia.org/wiki/2012_transit_of_Venus

    The 2012 transit of Venus, when the planet Venus appeared as a small, dark spot passing across the face of the Sun, began at 22:09 UTC on 5 June 2012, and finished at 04:49 UTC on 6 June. [1] Depending on the position of the observer, the exact times varied by up to ±7 minutes.

  6. 1769 transit of Venus observed from Tahiti - Wikipedia

    en.wikipedia.org/wiki/1769_transit_of_Venus...

    During a transit, Venus appears as a small black disc travelling across the Sun. Transits of Venus occur in a pattern that repeats itself every 243 years, with two transits that are eight years apart, separated by breaks of 121.5 and 105.5 years. [2]

  7. Category:Transit of Venus - Wikipedia

    en.wikipedia.org/wiki/Category:Transit_of_Venus

    1639 transit of Venus; 1769 transit of Venus observed from Tahiti; 1874 transit of Venus; 1874 Transit of Venus Expedition to Campbell Island; 1874 Transit of Venus Expedition to Hawaii; 1882 transit of Venus; 2004 transit of Venus; 2012 transit of Venus

  8. 1874 transit of Venus - Wikipedia

    en.wikipedia.org/wiki/1874_transit_of_Venus

    The transit as seen from Japan by Pierre Janssen Map showing the visibility of the 1874 transit of Venus. The 1874 transit of Venus, which took place on 9 December 1874 (01:49 to 06:26 UTC), [1] [n 1] was the first of the pair of transits of Venus that took place in the 19th century, with the second transit occurring eight years later in 1882.

  9. First voyage of James Cook - Wikipedia

    en.wikipedia.org/wiki/First_voyage_of_James_Cook

    On 16 February 1768 the Royal Society petitioned King George III to finance a scientific expedition to the Pacific to study and observe the 1769 transit of Venus across the face of the sun to enable the measurement of the distance from the Earth to the Sun. [1] Royal approval was granted for the expedition, and the Admiralty elected to combine the scientific voyage with a confidential mission ...