Questions tagged [neptune]
Questions regarding Neptune, the 8th and furthest major planet orbiting Earth's sun.
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What exactly is the relationship between the orbits of Neptune's moons Naiad and Thalassa?
Scitechdaily's Wild Orbits of Neptune Moons a ‘Dance of Avoidance’ [Video] links to the YouTube video Neptune Moon Dance (Naiad and Thalassa) and says:
In this perpetual choreography, Naiad swirls ...
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Neptune's Internal Heat Source
Unlike its sister planet Uranus,Neptune has a substantial internal heat source which gives rise to a dynamic atmosphere & weather.
Wikipedia says:
As with Uranus, the source of this heating ...
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What constraints are there on solid material in the ice giants?
Recently there has been experimental verification of superionic water ice (suggested to be called ice XVIII, not sure if this nomenclature is official yet), which turns out to be a solid (or at ...
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Diamonds in Neptune?
In this publication from 1981, was shown that Neptune is raining diamonds:
Many of the current models of Uranus and Neptune postulate a three-layer structure, consisting of an inner rocky core, a ...
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Why do these Hubble images of Neptune look like Cheela?
The open access paper Formation of a New Great Dark Spot on Neptune in 2018 (cited in Gizmodo's Formation of Dark Vortex on Neptune Captured For the Very First Time and Phys.org's Hubble captures ...
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Could there be additional Neptunian satellites between Larissa and Hippocamp?
Plotting the moons of Neptune in terms of semimajor axis and eccentricity using the values given on the Wikipedia page for the moons of Neptune, there appears to be a fairly large gap between the ...
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Do tides occur on planets like Neptune, having water? [duplicate]
I mean, we experience tides here on earth because of combined effect of gravitational field of moon and sun. So I thought that tides could also occur on other planets.
Let us consider Neptune where ...
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Do tides occur on planets like Neptune, having water?
I mean, we experience tides here on earth because of combined effect of gravitational field of moon and sun. So I thought that tides could also occur on other planets.
Let us consider Neptune where ...
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Does the orbital decay of Triton affect Neptune's rotation?
Just a quick question regarding Neptune. Because Phobos is spiraling in towards Mars, Mars' rotation speeds up. Does the same thing happen with Neptune's rotation?
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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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Why is Neptune true anomaly decreasing?
So I've been having fun with trying to determine where the perihelia of different planets are (using JPL Horizons).
And by the time I got to Saturn, something weird started happening. I've noticed ...
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Explanation of resonance stability and instability
I'm having some trouble grasping the idea of planetary resonances due to what seems to me like an ambiguity. It is known that the asteroid main belt is sculpted by the Kirkwood gaps, corresponding to ...
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How did VLT's adaptive optics obtain this resolution for Neptune? Is it really working in visible wavelengths?
This image of Neptune taken with the VLT is really impressive. The resolution is achieved by recent improvements in the adaptive optics.
Gizmodo: New Super-Crisp Images of Neptune Show How Far Our ...
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Why do Uranus and Neptune have more methane than Jupiter and Saturn?
So the standard theory of the solar nebula is that in the region of the gas planets, ice and rock could condense to form planetesimals, which could then accrete hydrogen and helium to form the gas ...
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Why does Neptune only have one major moon?
Neptune is profoundly anomalous when it comes to moons among the gas giants. Jupiter has its four massive moons, Saturn has a several large spherical bodies and Uranus, a world similar in size to ...