Anne's Spot refers to a reddish-colored
anticyclonic
An anticyclone is a weather phenomenon defined as a large-scale circulation of winds around a central region of high atmospheric pressure, clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere as viewed from abov ...
oval in
Saturn
Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It has only one-eighth the average density of Earth; h ...
's atmosphere, observed in 1980 and 1981 at 55°S by the ''
Voyager'' space probes.
It was probably also observed in 2004 at about 53°S by the
Cassini orbiter Cassini may refer to:
People
* Cassini (surname)
* Oleg Cassini (1913-2006), American fashion designer
:Cassini family:
* Giovanni Domenico Cassini (1625–1712), Italian mathematician, astronomer, engineer, and astrologer
* Jacques Cassini (167 ...
, one-third larger east-west and with faster winds.
References
Saturn
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