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A transit of Venus takes place when Venus passes directly between the Sun and the Earth (or any other superior planet), becoming visible against (and hence obscuring a small portion of) the solar disk. During a transit, Venus is visible as a small black circle moving across the face of the Sun. Transits of Venus reoccur periodically.
Venus was 0.7205 au from the Sun on the day of transit, decidedly less than average. [9] Moving far backwards in time, more than 200,000 years ago Venus sometimes passed by at a distance from Earth of barely less than 38 million km, and will next do that after more than 400,000 years.
Consequently, Venus transits only occur when an inferior conjunction takes place during some days of June or December, when the orbits of Venus and Earth cross a straight line with the Sun. [189] This results in Venus transiting above Earth in a sequence currently of 8 years, 105.5 years, 8 years and 121.5 years, forming cycles of 243 years.
The orbit of Venus is 224.7 Earth days (7.4 avg. Earth months [30.4 days]). The phases of Venus result from the planet's orbit around the Sun inside the Earth's orbit giving the telescopic observer a sequence of progressive lighting similar in appearance to the Moon's phases. It presents a full image when it is on the opposite side of the Sun.
Venus is in the upper right quadrant. 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.
See February’s full snow moon along with Venus ... sky because they all orbit the sun in a mostly flat plane called the ... between March 13 and March 14 and cross over Western Europe, parts of ...
During the probe's third Venus flyby in July 2020, its camera – the Wide-Field Imager for Parker Solar Probe, or WISPR – captured images of Venus' scorching-hot surface through the thick cloud ...
The Transit of Venus: Where to See It; Photos taken by BBC News readers; Venus Transit 2004 Homepage at European Southern Observatory; Venus Transit 2004 – Miami, FL, USA Archived 15 September 2020 at the Wayback Machine; HM Nautical Almanac Office: 2004 Transit of Venus; NASA Astronomy Picture of the Day: Transit closeup photo (10 June 2004)