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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.
English: Visualization generated by compositing the small field-of-view, high-cadence closeups of Venus with the full-disk, low-cadence imagery from Solar Dynamics Observatory (SDO).Some artifacts may be visible from the compositing, but you have to look pretty closely to see them. The color table threshold was raised for these images, reducing ...
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 ...
In astronomy, planetary transits and occultations occur when a planet passes in front of another object, as seen by an observer.The occulted object may be a distant star, but in rare cases it may be another planet, in which case the event is called a mutual planetary occultation or mutual planetary transit, depending on the relative apparent diameters of the objects.
Unlike the 2004 Venus transit, the 2012 transit occurred during an active phase of the 11-year activity cycle of the Sun, and would have provided practice in detecting a planet's signal around a "spotty" variable star. Measurement of the apparent diameter of Venus during the transit, and comparison with its known diameter.
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Venus' orbital space has been shown to have its own dust ring-cloud, [22] with a suspected origin either from Venus trailing asteroids, [23] interplanetary dust migrating in waves, or the remains of the Solar System's circumstellar disc out of which its proto-planetary disc and then itself, the Solar planetary system, formed. [24]