Encke Gap
A small gap in 's A ring discovered telescopically by J. F. Encke. It is located at a distance of 133,500 km.
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Encke Gap A small gap in Saturn's A ring.
epicycle A construct of the geocentric model of the solar system which was necessary to explain observed planetary motions.
The Encke Gap as Never Seen Before
This image shows in superb detail the region in Saturn's rings known as the Encke Gap. It was taken by the narrow angle camera on the Cassini spacecraft after successful entry into Saturn's orbit.
Located within the Encke Gap in the rings
Atlas
Discovered: R. Terrile/Voyager 1, 1980 ...
PAN'S WAKE NEAR THE ENCKE GAP
Regular stripes caused by the gravitational shepherding.
WAVE PATTERNS NEAR THE KEELER GAP ...
The Encke Division, or Encke Gap, which splits the A ring, is named after the German astronomer Johann Franz Encke, who discovered it in 1837. Pictures from the Voyager probes show four additional rings.
An unusually large propeller feature is detected just beyond the Encke Gap in this Cassini image of Saturn's outer A ring.
Pan is located within the Encke Gap in Saturn's rings. Pan has a radius of about 10 km. Pan orbits at 133,583 km from Saturn. Its orbital period is 0.575 earth days. Pan was discovered by Mark R. Showalter/Voyager 2 in 1990.
Saturn's A and B rings are separated by the Cassini Division. The Encke Gap is in the outer part of the A-ring. Darker streaks (spokes) extending across the B-ring are also visible.
The red band roughly three-fourths of the way outward in the A ring is the Encke gap. The A Ring image was taken with the Ultraviolet Imaging Spectrograph, which is capable of resolving the rings to show features up to 60 miles across.
The reddish Cassini Division (left)
is more dirty than the icier A ring
(extending to the right), excepting
the reddish Encke gap (more).
a thousand kilometers wide, less than 1% the width of Saturn's rings) in the A Ring about 130,000 km from Saturn's center that are free from the disturbance of strong density waves, with the exception of two that have been seen outside the Encke Gap.
 See also: Saturn, Rings, Planet, Satellite, Orbit
  
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