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   Which ring is closest to Saturn?

   • The D Ring is the innermost ring, and is very faint. In 1980, Voyager 1 detected within this ring three ringlets designated D73, D72 and D68, with D68 being the discrete ringlet nearest to Saturn. Some 25 years later, Cassini images showed that D72 had become significantly broader and more diffuse, and had moved planetward by 200 km (100 miles).

   Rings of Saturn - Wikipedia

   en.wikipedia.org/wiki/Rings_of_Saturn

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   Does Saturn have a ring?

   • The rings show a tremendous amount of structure on all scales; some of this structure is related to gravitational interactions with Saturn's many moons, but much of it remains unexplained. One moonlet, Pan, actually orbits inside the A ring in a 330-kilometer-wide (200-mile) gap called the Encke Gap.

   Saturn’s Rings - Science@NASA

   science.nasa.gov/resource/saturns-rings-2/

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   How many arcseconds will Saturn appear at its largest?

   • At its largest, Saturn will appear 19.2 arcseconds across. Ring tilt at opposition: At opposition, Saturn’s rings are tilted by 3.3 degrees, relative to earthly viewers. That’s very narrow. Saturn’s rings are nearly edge-on from Earth. In March 2025, when we cross the plane of Saturn’s rings, they will temporarily seem to disappear!

   Saturn at opposition – brightest for 2024 – on September 8 - EarthSky

   earthsky.org/astronomy-essentials/saturn-at-opposition-closest-brightest-best/

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   What is the radius of Saturn's rings?

   • The radius of Saturn's rings ranges from 60,268 km to 74,510 km. There are several distinct rings with different optical depths, albedos, and inner and outer edges. For instance, the radius of the C ring is 74,658 km with an optical depth of 0.05 - 0.30 and an albedo of 0.12 - 0.30.

   Saturnian Rings Fact Sheet - NASA

   nssdc.gsfc.nasa.gov/planetary/factsheet/satringfact.html

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   What is the structure of Saturn's rings?

   • The particles in Saturn's rings are composed primarily of water ice and range in size from microns to tens of meters. The rings show a tremendous amount of structure on all scales; some of this structure is related to gravitational interactions with Saturn's many moons, but much of it remains unexplained.

   Saturn’s Rings - Science@NASA

   science.nasa.gov/resource/saturns-rings-2/

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   Is there a moon in the a ring of Saturn?

   • Above: Saturn's embedded moon Pan inside the Encke gap in the A ring (right). The moon Daphnis is barely visible inside the Keeler gap (left). Here is some more information on the rings of Saturn. Here you'll find a picture in which you can see all the rings; I'm also including some information about the so-called "spokes" in the rings.

   The Rings of Saturn - NASA

   caps.gsfc.nasa.gov/simpson/kingswood/rings/

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2. earthsky.org › astronomy-essentials › saturn-atSaturn at opposition – brightest for 2024 – on September 8

   earthsky.org › astronomy-essentials › saturn-at

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   Sep 7, 2024 · Earth flies between the sun and Saturn on September 8, 2024, placing the ringed planet opposite the sun – at opposition – in our sky. Saturn at opposition marks the middle of the best time of...

3. en.wikipedia.org › wiki › Rings_of_SaturnRings of Saturn - Wikipedia

   en.wikipedia.org › wiki › Rings_of_Saturn

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   Four robotic spacecraft have observed Saturn's rings from the vicinity of the planet. Pioneer 11 ' s closest approach to Saturn occurred in September 1979 at a distance of 20,900 km (13,000 mi). [26] Pioneer 11 was responsible for the discovery of the F ring. [26]

4. caps.gsfc.nasa.gov › simpson › kingswoodThe Rings of Saturn - NASA

   caps.gsfc.nasa.gov › simpson › kingswood

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   The dark D ring is the closest ring to Saturn (as you can tell from your ring map). Like the C ring, its ice particles are also covered with dark material. The D ring is also very tenuous, and is made of microscopic particles, so it's fairly difficult to see.

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5. Videos

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     How Saturn Got Its Rings | The Planets | Earth Science

     28 Nov 2021

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     space.com

     Saturn's Rings: Composition, Characteristics & Creation

     8 Nov 2017

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     Rings of Saturn: NASA sends closest ever images of Saturn

     2 May 2017

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6. science.nasa.gov › resource › saturns-rings-2Saturn’s Rings - Science@NASA

   science.nasa.gov › resource › saturns-rings-2

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   Aug 29, 2005 · The rings of Saturn make up an enormous, complex structure that – from edge-to-edge – is wider than the distance from Earth to the Moon. The seven main rings are labeled in the order in which they were discovered; from the planet outward, they are D, C, B, A, F, G and E.

7. www.nasa.gov › solar-system › planetsRings of Saturn - NASA

   www.nasa.gov › solar-system › planets

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   Rings of Saturn - NASA. NASA’s Perseverance Rover Looks Back While Climbing Slippery Slope. NASA Successfully Integrates Coronagraph for Roman Space Telescope. We Are All Made of Cells: Space and the Immune System. International SWOT Satellite Spots Planet-Rumbling Greenland Tsunami.

8. www.esa.int › Cassini-Huygens › Saturn_s_ringsESA - Saturn's rings - European Space Agency

   www.esa.int › Cassini-Huygens › Saturn_s_rings

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   The rings show a tremendous amount of structure on all scales; features like spokes and irregular ripples, are puzzling. Some of them might be signs of asteroids plunging through the ring system, or others might be caused by tiny moonlets, as yet undiscovered, very close to Saturn's rings.

9. nssdc.gsfc.nasa.gov › planetary › factsheetSaturnian Rings Fact Sheet - NSSDCA

   nssdc.gsfc.nasa.gov › planetary › factsheet

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   Rings of Saturn. Surf. Density. Rings, ringlets and gaps of width less than 1000 km are listed by inner edge radius. For more details on the rings and a full listing of all small ringlets and very faint rings, see the PDS Rings Node Vital Statistics.