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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.
Point Venus Lighthouse, Tahiti (LMS, 1869, p.) [4]. In 1663, Scottish mathematician James Gregory came up with the idea of using Venus or Mercury transits to determine the astronomical unit by measuring the apparent solar parallax between different points on the surface of the Earth. [5]
Transits of Venus directly between the Earth and the Sun's visible disc are rare astronomical events. The first such transit to be predicted and observed was the 1639 transit of Venus, seen and recorded by English astronomers Jeremiah Horrocks and William Crabtree. [18]
2012 transit of Venus, projected to a white card by a telescope. A transit of Venus is the appearance of Venus in front of the Sun, during inferior conjunction. Since the orbit of Venus is slightly inclined relative to Earth's orbit, most inferior conjunctions with Earth, which occur every synodic period of 1.6 years, do not produce a transit ...
The next time a mutual planetary transit or occultation will happen (as seen from Earth) will be on 22 November 2065 at about 12:43 UTC, when Venus near superior conjunction (with an angular diameter of 10.6") will transit in front of Jupiter (with an angular diameter of 30.9"); however, this will take place only 8° west of the Sun, and will therefore not be visible to the unaided/unprotected ...
For the first time in U.S. history, military aircraft were used this past week to deport scores of undocumented migrants from the United States. Middle schools, Trump administration officials say ...
Your weekly horoscope from February 2 to 8, 2025, is live. On February 4, 2025, lover Venus enters fiery Aries. This transit can be considered challenging for several reasons. First and foremost ...
Venus transits the face of the Sun on 8 June 2004. Here, the black drop effect is visible. Here, the black drop effect is visible. The black drop effect is an optical phenomenon visible during a transit of Venus and, to a lesser extent, a transit of Mercury .