Vivaldi (crater)
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Vivaldi is a
crater A crater is a landform consisting of a hole or depression (geology), depression on a planetary surface, usually caused either by an object hitting the surface, or by geological activity on the planet. A crater has classically been described ...
on Mercury. It was named by the
IAU The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...
after Italian composer
Antonio Vivaldi Antonio Lucio Vivaldi (4 March 1678 – 28 July 1741) was an Italian composer, virtuoso violinist, impresario of Baroque music and Roman Catholic priest. Regarded as one of the greatest Baroque composers, Vivaldi's influence during his lif ...
in 1976. It has a prominent and nearly continuous inner ring whose diameter measures about half that of the outer ring. It is one of 110 peak ring basins on Mercury. Unlike some of the lunar multiringed structures, no vestiges of additional rings are apparent around this crater. It is classified as c3 age. A confirmed ''dark spot'' is present in along the northern peak ring.Zhiyong Xiao, Robert G. Strom, David T. Blewett, Paul K. Byrne, Sean C. Solomon, Scott L. Murchie, Ann L. Sprague, Deborah L. Domingue, Jörn Helbert, 2013. ''Dark spots on Mercury: A distinctive low-reflectance material and its relation to hollows''. Journal of Geophysical Research Planets.
doi.org/10.1002/jgre.20115
/ref> This dark spot is associated with hollows. File:Mariner 10 image 0166766.png,
Mariner 10 ''Mariner 10'' was an American Robotic spacecraft, robotic space probe launched by NASA on 3 November 1973, to fly by the planets Mercury (planet), Mercury and Venus. It was the first spacecraft to perform flybys of multiple planets. ''Marin ...
image from 1974 208500main Vivaldi crater.jpg, Vivaldi is the large, shadow-filled, double ringed crater to the upper right. From
MESSENGER Messenger, Messengers, The Messenger or The Messengers may refer to: People * Courier, a person or company that delivers messages, packages, or mail * Messenger (surname) * Bicycle messenger, a bicyclist who transports packages through cities * M ...
's first flyby in January 2008. File:Vivaldi crater EW0213895455G.jpg, Interior of Vivaldi showing possible hollows on the peak ring. File:Vivaldi crater MESSENGER WAC IGF to RGB.jpg, Exaggerated color image


References

Impact craters on Mercury Vivaldi crater {{Mercury-crater-stub