Questions tagged [neptune]
Questions regarding Neptune, the 8th and furthest major planet orbiting Earth's sun.
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Why is Uranus colder than Neptune?
Excluding dwarf planets, such as Pluto which are trans-neptunian objects obviously further away from the sun, so due to inverse square law less area of light and therefore less heat, of course things ...
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Are spacecraft visits to Uranus and Neptune hard to plan?
Until today, Voyager 2 remains the only spacecraft to visit these planets. Are spacecraft visits to these planets hard to plan or develop?
anon
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When was the last time a total solar eclipse on Neptune courtesy of Triton occured, and when will be the next?
If Triton had an equatorial orbit, then solar eclipses would occur around the Neptunian equinox - same as with Saturn and Uranus. But Triton's orbit is infamously inclined to Neptune's equator, so ...
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what is the pressure in Neptune where the density reach 1g/cm^3?
from this graph, it looks like it should be around 20000km from the center. So it is about 0.8 radius.
However, I cannot imagine this is correct. The pressure is probably only a few bar at that height....
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How accurate is the Sudarsky Scale today?
How accurate is the Sudarsky scale of gas-giant classification today? Do the different classes still exist, and look roughly the same?
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How close to Neptune would I have to be to see it with the naked eye?
I am in space. What is the maximum distance that I could be from Neptune and see it with the naked eye. You can choose the optimal position. Also, assume that I have 20/20 vision.
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How do I know that I’ve found Neptune?
So, recently I went out for a look at Neptune with my telescope and I found the general area of where Neptune was. However, when I took a see for myself, there were a ton of blue stars everywhere and ...
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What are those blobs in each of the two bright rings of Neptune shown in the new JWST image?
What is this bright blue object taken by the Webb telescope? includes the new JWST infrared image of Neptune and Triton. The disk of Neptune shows interesting features but I'm drawn to Neptunes's ...
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What is this bright blue object taken by the Webb telescope?
From NASA - New Webb Image captures clearest view of Neptune's rings in decades:
Does anyone know what the bright blue on the left top corner of the picture is? It is a reflection of sorts or is it a ...
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Dates of Passage of Neptune at Aphelion and Perihelion
I'm working with a group of colleagues on a Solar System simulator. We need two items of data that are missing to us:
the nearest dates of passage of Neptune at Aphelion and Perihelion.
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How am I supposed to locate the planets Uranus and Neptune with a 70 mm f/5.7 refractor?
I can locate all of the planets other than Uranus and Neptune. This is mainly because they are very dim and I live where there is just enough light pollution so that I can't spot them. I have a Gysker ...
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Why is Neptune a darker blue than Uranus?
If Neptune and Uranus have similar composition then why is Neptune a darker blue than Uranus?
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What was "wrong" about the motion of Neptune in 1984?
The cover story of the March 1984 issue of RUN, a popular computing magazine, was written by noted astronomer Charles T. Kowal. In the article, he describes how he uses his home computer, a Commodore ...
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Will the planets be pushed outwards when the sun goes red giant?
When the sun goes red giant will the planets be pushed outwards towards the periphery of the solar system?
If so, will this happen simultaneously to all planets or could, for example, a planet like ...
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Could Neptune be viewed with the naked eye from Uranus?
Which star or planet in our night sky can match what Neptune would look like when viewed from Uranus, or one of its moons?
The answer would be for the most favourable condition, which is when Neptune ...
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