Questions tagged [saturn]

Questions about Saturn, the sixth planet from the Sun.

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2
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0answers
27 views

What is the radial dependence of the density of Jupiter or Saturn?

Can anyone point me to the reference where I can find the density of Jupiter or Saturn as a function of the distance from its center?
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84 views

Is Enceladus the moon with salty water?

May anyone tell me does it known if Enceladus has water and is that water salty?
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112 views

Birth of the Gas Giant Planets?

How does a gas giant planet form like Saturn and Jupiter, and why just gas? Why didn't they form any solid surface?
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Help understanding this unsettling image of Titan, Epimetheus, and Saturn's rings?

The NY Times article Saturn’s Rings Are Sculpted by a Crew of Mini-Moons is really interesting and links to the recent paywalled paper in Science Close Cassini flybys of Saturn’s ring moons Pan, ...
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1answer
147 views

Why are saturn rings so thin?

I wonder why saturn rings are so thin ? Rings A, B and C are approximately just 10 meters thick which is extremely thin compared to the size of Saturn. What are the explanations for that ? Thanks a ...
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1answer
89 views

How harmful is Saturn's magnetic field for human life?

AFAIK, Jupiter has the strongest magnetic field in the solar system, and it's so powerful that I've been told humans only could survive the radiation generated by it in its mooon Callisto, with proper ...
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1answer
61 views

Are there known centaurs which orbit between Jupiter and Saturn without crossing their orbits?

According to Centaur minor planet Centaurs are small Solar System bodies with a semi-major axis between those of the outer planets. They generally have unstable orbits because they cross or have ...
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1answer
2k views

Which Saturn satellite passes closest to Saturn's rings and at what distance?

I was using Stellarium to watch Saturn from its moon Pan and I saw the rings were very close to this moon. Now Saturn's rings extend for a large distance so several moons see them from close. I was ...
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1answer
114 views

Aren't there any rock or similar firm material on/in the gas giant planets?

Aren't there any rock or similar firm material on/in the gas giant planets? What happens if a rock asteroid hits one of these planets? Shouldn't the rock accumulate in the center of the planet due to ...
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1answer
64 views

How do they measure sub-centimeter wave height on a moon of Saturn?

Michael Stevens from V-Sauce has a video called The Mandelbrot Set on a different channel. At 12:56 he says: There’s a moon of Saturn that has liquid hydrocarbon ...
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2answers
167 views

How would humans with appropriate equipment navigate the surface of Saturn's moon Titan on foot? [closed]

Taking into account the physical characteristics of Titan (e.g. surface gravity, atmospheric pressure), what would be the most efficient method of motion for an astronaut to navigate the surface of ...
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1answer
235 views

Can't see any detail on planets with my new Celestron NexStar 130 SLT Computerized Telescope [duplicate]

Mars looks like a small white blob/circle and the same with all other planets. This is very frustrating. I've looked all over for a solution jumping from site to site and nothing. Please be different ...
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1answer
76 views

Finding Jupiter, Saturn

I have a Dobson Omegon with a 640mm focal length and a 102mm aperture. My finderscope is broken but I can do without. I have located the planets with the naked eye but I do I do not see them through ...
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1answer
181 views

Is it possible to see Saturn from Titan's surface, day and night?

Titan is the only moon in our solar system with a thick atmosphere, similar to what our Earth's atmosphere was before life "appeared". It also orbits Saturn close enough to actually see it beautifully ...
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Hypothetically, would we be able to see the moon from Saturn's North Pole?

Hypothetically speaking, if Saturn had a solid surface that we could stand on, would we be able to see our Moon from the North Pole of Saturn? Would the rings of Saturn obstruct the view?
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What are the periods of Saturn's rings?

I don't mean necessarily a granular chart of all of the different rings at different distances, but is it days? Weeks?
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771 views

How bright would it be on the “face” of Titan

If you were planing a maned mission to Titan and wanted to find a landing site that would get the most visible light for the longest amount of time, your first logical choice would be the dark side of ...
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1answer
100 views

What should I improve my telescope kit to see more details of Moon?

What should I improve my telescope kit to see more details of Moon? I have the gskyer telescope of 60mm aperture and 350mm focal length. my eyepieces are 10mm,25mm. and I have x3 Barlow. my best ...
9
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1answer
631 views

Why is Enceladus the only geologically active moon among its neighbours?

My understanding of why Enceladus is geologically active is that tidal forces from Saturn and - to a lesser extent - from the nearby larger moon Dione provide heat to the moon's interior, just like ...
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97 views

Saturn observation : how to calculate requirements for Parallax method

In September, Saturn is 9.9au away from Earth. If we use the parallax method, what should be the base line between the two people? So I know that $D = B / \theta$, but how do I find out theta? I'm ...
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1answer
858 views

How to photograph Saturn

I have been given an old telescope (Newtonian, 910mm) and I got a mount for my DSLR and I'm trying to take some pictures of various objects. In particular, I'm trying to photograph Saturn, but I'm ...
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Plumes vs Geyser [duplicate]

I've read, that on Enceladus scientists observed plumes containing water vapor. Can I use plumes and geysers interchangeable? if not, What's the difference between Plumes and Geysers? thanks!
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1answer
79 views

What does “Active Weather Patterns” mean?

I just read that Cassini discovered titan had "active Weather patterns". What does that mean?
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1answer
191 views

Why is the volume of Saturn is 764 times bigger than Earth, but its surface area only 83 times bigger? [closed]

If Saturn is 83x bigger that Earth by surface area why isn't the volume also 83x bigger than earth by volume? Is there a geometric or astronomical reason?
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1answer
869 views

Why is Enceladus's albedo greater than 1?

Enceladus, one of Saturn's moons, has a geometric albedo of 1.38 and a bond albedo of 0.81. How can the geometric albedo of Enceladus be greater than one? What are the similarities or differences ...
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1answer
184 views

Are the radial spokes in Saturn's rings reliably visible via ground-based telescopes

In the mid 1970's, Franklin and O'Meara saw persistent "radial spoke-like features" in the rings of Saturn, that should not have existed due to the differential rotation of the rings. A publication ...
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3k views

How large can a ball of water be without fusion starting?

How large can a ball of water be without fusion starting? Peculiar question: some explanation might be necessary. My young son is into ‘space’ and astronomy. One of his posters says that Saturn could ...
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Are there other pictures of Titan surface from Huygens?

I can't find any other picture of the Titan surface from the Huygens probe than this one Are there any? Are they not disclosed on purpose? If this is the only one taken, why? Titan surface http://i....
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45 views

How does the Saturn's low temperature influence the colour of the cloud belts? [closed]

I understood the meaning of the sentence literally but that's not enough to understand the process. Could you explain how that works? Thank you!
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1answer
54 views

How can we map masses orbiting the outer Solar System by determining the orbits of planets and smaller objects?

Neptune was discovered 170 years ago with the help of observations of Uranus' orbit. A great demonstration of the scientific principle for its time. Recently, Earth and cis-Lunar based radio ...
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1answer
194 views

Exactly what in Saturn has been located to within 4 km precision?

Saturn has been located with fantastic precision thanks to Cassini and VLBI. The location of the 120,000 km diameter giant planet (when defining the 1 bar pressure level as its surface) is known to ...
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1answer
267 views

Is there, in fact, any close-up photography of Saturn's rings, showing individual pebbles/rocks?

After reading this excellent but difficult answer, https://astronomy.stackexchange.com/a/18407/13071 I've been thinking how difficult it is to get a sense of the distance between and the size of ...
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1k views

Size of Saturn's ring material

How big are the chunks of rock ice that make up Saturn's rings? Are there many objects larger than pebble size?
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668 views

How is a day measured on a gas giant?

After watching this JPL video of a Cassini time lapse of Saturn, I wondered since being mostly gases, how do we know how long a day—one rotation period—is? Is there a usable relation between how fast ...
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1answer
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Refraction by Saturn's atmosphere - how dense is it here?

This tweet from CassiniSaturn shows an image of Saturn's rings being optically distorted by the dense atmosphere. It is explained more fully on this page and is available here. The refraction is ...
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1answer
2k views

Why are Saturn bands much fainter than Jupiter's?

The atmospheric composition of both planets are very similar. Then why are Jupiter's bands more visible (North and South equatorial belt, etc.): Whilst Saturn's are not: (except for the storm of ...
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2answers
763 views

Will Saturn's Moons be destroyed?

I heard that Saturn has 62 moons with confirmed orbits, 53 of which have names and only 13 of which have diameters larger than 50 kilometers. Some come within 1km of each other. How do these moons ...
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1answer
540 views

Is it possible that Titan is a kuiper object captured by Saturn?

I think Titan may be just captured by Saturn, not formed with Saturn together, because: It has so much nitrogen and methane, which is similar to Pluto and Triton Except Titan, other moons of Saturn ...
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1answer
117 views

Were there any images of a transitary event of Jupiter or Saturn as imaged by a deep probe mission

I'm quite certain that there isn't any actual images of a transitory event of Jupiter or Saturn across the solar disk from say e.g.,s the Voyager probe, Pioneer 10/11 or even recent New Horizons ...
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1answer
2k views

Why does the planet Saturn have numerous (62) moons compared to the rest of the planets in the Solar System?

Saturn is a gas giant like Jupiter. It has everything from tiny moonlets less than 1 kilometer across to the enormous Titan, which is larger than the planet Mercury. Saturn has 62 moons with ...
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1answer
37 views

How to watch at best this week's planet alignement?

I read somewhere that counting from today, five planets will be aligned during almost two weeks IIRC. The planets are : Mars, Jupiter, Saturn, Mercury and... us. I know Jupiter and Mars can be seen ...
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755 views

How unusual is the solar system?

In Isaac Asimov's Foundation series, the main characters are looking for the long-lost Earth. There are two major features of the solar system that seem to make it unusual among the millions of ...
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Do great spot like features favour appear in south hemisphere?

As we know, both Jupiter and Neptune have great spot like features in South hemisphere, and Saturn has dragon storm in south hemisphere, is it true that great spot like features appear in South ...
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2answers
277 views

Trying to understand the way Saturn's ring look in this famous Cassini image

You all probably know the famous The day the Earth Smiled image. For the life of me I can't understand what's going on with the rings there. Seems like the "bottom" half of the rings is the half that ...
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2answers
462 views

Why does Saturn have both moons and rings?

From my understanding, a ring can form around a planet when a moon gets too close to its Roche limit, and gets ripped appart by the planet's gravity pull. That makes sense to me, but I don't ...
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1answer
716 views

Was there ever a Jupiter transit or Saturn transit?

I've watched the Venus transit 2004 with a small telescope, a relatively rare event, considering most people can only observe two in their life time. If E.T. were sitting in a sunny place on a moon ...
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1answer
793 views

The colour of saturn as it appears to the naked eye

I have started to watch the skies in order to learn stars, constellations planets etc. The few references I checked state that Saturn presents itself to the naked eye as a pale yellow tiny little ball,...
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Semimajor axis variations in co-orbital moons

I've been playing with simulations of co-orbital bodies similar to Saturn's moons Janus & Epimetheus- horseshoe orbits where the two bodies are of comparable mass- and I'm seeing some very odd ...
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1answer
217 views

Am I using my Celestron 8 Schmidt-Cassegrain telescope correctly?

I became interested in astronomy a few years ago and started with a Celestron AstroMaster 70AZ refractor telescope. That seemed nice, and I wanted to upgrade to a go-to telescope that was also more ...
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1answer
359 views

Wouldn't the rings of Saturn experience tidal effect?

The "Lord of the Rings" has more than 60 moons, some of which are larger than Mercury. My question is, wouldn't the ring, which is mostly comprised of rocks, experience tidal effect whenever a moon is ...