Questions tagged [jupiter]

Questions regarding Jupiter, the 5th and largest planet in the Solar System.

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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 ...
Eng. Sultan's user avatar
10 votes
1 answer
380 views

How was Jupiter formed

Two days ago I went to a mathematics conference where there was a paper presented on Jupiter's formation via the disk-instability model. I know that there are two different theories for the formation ...
user1157's user avatar
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1 answer
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What's the distance between Venus and Jupiter?

What is the minimum, maximum and average distance of the Venus and Jupiter? I only found 670,130,000 km and 670,198,000 km as an average distance (here and here).
hunyadym's user avatar
  • 103
7 votes
2 answers
749 views

When will the next series of mutual eclipses of Jupiter's moons begin?

When I was young (I won't tell you when) I saw one of the four Galilean moons of Jupiter suddenly disappear while watching through a small refractor. It wasn't a coincidence, I'd seen the prediction ...
uhoh's user avatar
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2 votes
0 answers
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Jupiter/Saturn's fate after Sun goes red giant and planetary nebula?

The solar wind contributes a very small amount of matter to the gas giants. As the sun approaches the red giant phase, the solar wind increases significantly. 10% of the sun's mass lost as solar ...
Brooks Nelson's user avatar
3 votes
1 answer
857 views

Are the darker blue/black areas in this picture what the atmosphere of Jupiter looks like without clouds?

This is a picture (mosaic?) of Jupiter's south pole taken by Juno (also shown below). It has gotten a lot of press, but I haven't seen anything, even in the scientific paper that accompanied its ...
brendan's user avatar
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3 votes
1 answer
463 views

Io: Why so much sulfur?

Io is the only body in the Solar System whose crust is dominated by sulfur and its compounds. Carbon and nitrogen are also very common in the universe but we don't see them or their compounds in Io's ...
MackTuesday's user avatar
1 vote
0 answers
54 views

Is it true that Jupiter protects Earth? [duplicate]

I am curious to know whether Jupiter is a reason that we have life on earth as it protects earth from comets, without Jupiter – comets would be more likely to hit us?
Deepanshu's user avatar
5 votes
2 answers
3k views

Does Ganymede have a day/night cycle? If so, what does it look like?

Over on the SF & Fantasy Stack, I've asked a question about a curious watch that shows 15 intervals on its watch face instead of the usual 12 hours. That watch belongs to someone living on ...
SQB's user avatar
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2 votes
2 answers
2k views

How much light would be reflected from Jupiter to Europa (in Europas night)?

Suppose Europa is found habitable and humans start living on it. Europa is close to Jupiter and during the night Jupiter would be reflecting light to Europa, just like our full moon reflects light to ...
Rahul Rabhadiya's user avatar
4 votes
1 answer
514 views

What is germane doing in the atmosphere of Jupiter?

Germane (GeH4) has been detected in the atmosphere Jupiter. Its formation from the elements seems to be thermodynamically unfavorable because its enthalpy of formation is positive and (I think) it ...
MackTuesday's user avatar
1 vote
2 answers
299 views

"What was that spot in the sky?" - How to identify satellites

Yesterday, May 22nd 2017, I removed the telescope from its dusty box1 and decided to watch Jupiter. After about 2 minutes of observation I spotted something across the sky [X-files music in background]...
Cliff Burton's user avatar
0 votes
1 answer
416 views

Why could a gas planet not get much larger than Jupiter? [duplicate]

What is the maximum size for a gas giant?
Rayn's user avatar
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4 votes
2 answers
696 views

Is Jupiter's rotation slowing?

According to Wikipedia, re Europa's tidal flexing: the tidal flexing kneads Europa's interior and gives it a source of heat, possibly allowing its ocean to stay liquid while driving subsurface ...
dashnick's user avatar
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1 vote
0 answers
44 views

Is there a connection between Jupiter's orbital period and the Sun's solar cycles? [duplicate]

The cycle of solar maximums and solar minimums are each about 11 years, which is close to the orbital period of Jupiter. I thought it was a numerical coincidence, until google turned up some results ...
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1 answer
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Are there more images with different filters available for the April 6 Hubble image of Jupiter?

This recent HST image of Jupiter near opposition is described here and here and was made under HST proposal 14756. It was taken with WFC3/UVIS. It is made from three images using narrow-band filters ...
uhoh's user avatar
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5 votes
2 answers
784 views

A smudge near Jupiter

I was looking at the Jupiter for the first time today and I have noticed a smudge near it. Could someone explain what it is, please? I was looking online but did not find anything. So I thought that ...
bakua's user avatar
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5 votes
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Why is Jupiter called so?

I have read before that Jupiter is named after the great Roman god because of how bright it is. I can't help but wonder, why wasn't the name given to Venus instead? Isn't Venus much brighter than ...
Abdul Alhazred's user avatar
14 votes
2 answers
2k views

How can clouds form in Jupiter's atmosphere of Hydrogen and Helium?

Here is a graphic of cloud layers of Jupiter (source: Wikipedia): There are three distinct cloud layers of ammonia, ammonium hydrosulfide, and water. The temperature and pressure conditions seem to ...
kingledion's user avatar
4 votes
3 answers
5k views

According to my calculations Jupiter's moons do not follow Kepler's 3rd law - Why is that?

I'm asked to collect data on the orbital properties of the four Galilean satellites of Jupiter and show that they obey the same scaling as in Kepler's 3rd law. My approach for moon Io: Online, I ...
ribarcheto94's user avatar
6 votes
0 answers
60 views

Did the Juno mission locate Jupiter at the same precision as Saturn (4 km)?

Juno's low perijove should be great for measuring Jupiter's gravitational effect on Juno's orbit. Cassini together with VLBI has measured Saturn's location to within 4 km. Will Was Juno be able to ...
LocalFluff's user avatar
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9 votes
1 answer
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How much mass do the volcanoes of Io erupt past escape velocity?

While trying to do some calculations to answer this quesion, I got stuck missing a crucial piece of data: I have no clue how much mass the volcanoes of Io manage to throw out of the gravity well of ...
SE - stop firing the good guys's user avatar
7 votes
1 answer
5k views

Does Jupiter help to protect the Earth against comets/asteroids impacts?

Does Jupiter help to protect the Earth against comets or asteroids impacts? Some astronomers believe that one reason Earth is habitable is that the gravity of Jupiter does help protect us from some ...
gilbertohasnofb's user avatar
3 votes
2 answers
4k views

If Jupiter was placed in Mars' orbit, how would Jupiter appear from the naked eye? [closed]

If Jupiter were as far from us as Mars, how big would it appear in Earth's sky? Would it appear huge, or would it be as small as a star?
RANSARA009's user avatar
6 votes
1 answer
312 views

Jupiter orbiting time in Earth's orbit?

Imagine if Jupiter orbited the Sun at the Earth's orbital distance of 1AU. Would a planet of this size orbiting the Sun take 1 Earth year (365 days) to complete an orbit, or would the size of ...
RANSARA009's user avatar
2 votes
1 answer
960 views

What are the natural life sustaining resources available in the Jovian moon system?

Hard science fiction writing question. Premise: what natural resources are present in the Jovian system that would be necessary and desireable to an autonomous, self-sustaining human community? ...
John Kinane's user avatar
4 votes
2 answers
8k views

How long would it take a Boeing 747 to go around Jupiter?

Assuming a 747 could fly around Jupiter at its top Earth speed (I know this assumption is unrealistic), how long would it take to fly around Jupiter once?
RANSARA009's user avatar
-1 votes
1 answer
228 views

Is it Jupiter Only a Gas Giant? [duplicate]

i heard & saw in website & you tube most of the people saying that i Jupiter planet made of Gas..i like to know if we some how went to Jupiter & land a Space Ship cant we find a Hard Land ...
RANSARA009's user avatar
3 votes
1 answer
255 views

More than 67 Jovian moons?

Wikipedia says that there are now 67 known moons of Jupiter. It got me wondering: is it really possible in our day and age that there are more, but we haven't observed them yet? On the other hand, ...
Michael Smith's user avatar
9 votes
1 answer
6k 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 ...
Carlos Vázquez Monzón's user avatar
2 votes
1 answer
244 views

What starting circumstances have to be for "grand tack" hypothesis to work, and why they are lacking in other planet systems(as far as we know)?

I recently read a bit about "grand tack" hypothesis. It was extremely interesting and it seems to reasonably well explain many features of our solar system. At the same time it supposedly is ...
gytis's user avatar
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13 votes
1 answer
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Why can't our Sun be a binary with Jupiter as a T or Y dwarf?

I just learned about Brown Dwarfs, they are "failed" stars, they narrowly missed the stellar mass mark. I learned that Y Dwarfs have temperature as low as 80 Fahrenheit (The first one found by WISE ...
fahadash's user avatar
  • 501
3 votes
1 answer
1k views

What exactly is this VLA radio image of Jupiter showing?

This VLA image is beautiful, and instructive, but I don't understand it fully. This version is from an article in Gizmodo where the credit reads: A radio image of Jupiter captured by the Very Large ...
uhoh's user avatar
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2 votes
1 answer
101 views

Astronomy Calculations Tool

I took many images like the following: As many of you may recognise, this is a picture of Jupiter and its four Galilean moons. Using these images, I am aiming to calculate the mass of Jupiter by ...
StopReadingThisUsername's user avatar
2 votes
2 answers
448 views

What would happen to a gas planet if its core mass goes beyond the Chandrasekhar limit?

Hypothetically, let's say we had a gas giant that continued to accrete mass. I've heard that the cores of gas giants are electron degenerate. So if the planet continued to accrete mass and the core ...
Sir Cumference's user avatar
0 votes
2 answers
227 views

How does large body gravity affect planet formation?

If Jupiter's gravity is what kept the asteroid belt from forming a planet, then why didn't the sun's gravity keep the inner planets from forming?
Brian's user avatar
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1 vote
1 answer
204 views

Jupiter appearing odd through a 6" reflector

Recently I have been trying to get a good look at Jupiter through my 6" Orion reflector, but the image seems to always come out as an oblong white streak. I've tried changing the lenses I'm using, but ...
Sigismund's user avatar
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2 votes
1 answer
192 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 ...
MichaelJRoberts's user avatar
1 vote
2 answers
809 views

What is the fifth moon-like object I saw around jupiter through my telescope?

Tonight while observing Jupiter I was able to see a five (what looked like) moons. I have observed Jupiter often before and only been able to make out the four galilean moons. It's my understanding ...
Ceribia's user avatar
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5 votes
2 answers
2k views

Which of Jupiter's moons did I most likely see?

I was gazing through my binoculars at Jupiter last night and noticed 3 (maybe 4) tiny dots in line with it. A first I thought they might have been background stars but quickly realised their colour ...
user avatar
9 votes
1 answer
10k views

How much of a difference do good lenses make?

I recently purchased a Celestron PowerSeeker 114EQ and with it I got three lenses (which I assume are low quality), a 4mm, a 20mm and a 3 x Barlow. I can get pretty decent views of the moon but a ...
Ross Drew's user avatar
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9 votes
2 answers
1k views

What Would it Look Like Inside Jupiter's Great Red Spot?

From what I've read, Jupiter's 'Great Red Spot' is an unbelievably powerful storm. Do astronomers and scientists have any idea of what that might look like if it were possible to be inside/below it? ...
user avatar
4 votes
2 answers
135 views

How to read Babylonians' tablet that were used to track Jupiter's movements?

There is a science news article on how Babylonians used geometry to track Jupiter’s movements. Here is an image of cuneiform tablet which shows Jupiter's movements. (source: sciencenews.org) From a ...
Dumbledore's user avatar
7 votes
5 answers
2k views

Are we sure solar cycle is not related to the orbit of Jupiter?

Are we still debating the relationship between Jupiter and solar cycle? If not, what is the common or mainstream opinion about this topic? Or in other words, have we disproved the solar cycle is ...
Gstestso's user avatar
  • 2,199
1 vote
3 answers
202 views

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 ...
Gstestso's user avatar
  • 2,199
2 votes
2 answers
798 views

Why doesn't Jupiter increase the chances of an asteroid to strike the Earth?

I often hear the hypothesis that Jupiter decreases the chances of an asteroid strike on the Earth, but my question is, why does it only decrease the chances ? While Jupiter can deflect some ...
Gstestso's user avatar
  • 2,199
3 votes
1 answer
352 views

Need help with the math in Python program to flag Jovian radio emissions

A few days ago I decided to take on the little project of converting a Qbasic program into Python (as a side project to my Radio Jove project), and I've managed to get it to run, but the math is ...
Macuser's user avatar
  • 133
5 votes
1 answer
244 views

Diameter of Astronomical Object Using Magnification

I took a picture of Jupiter through my telescope, using an iPhone. I know the magnification of the telescope lens I used, and can Google to get the magnification of the iPhone lens (the magnification ...
StopReadingThisUsername's user avatar
3 votes
2 answers
325 views

Is Jupiter just a super earth with hydrogen atmosphere?

Often I see books which state that Jupiter has a rocky core, if it is true, does it originate from super earth with excessive collection of hydrogen?
Gstestso's user avatar
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3 votes
1 answer
294 views

Eclipses of Jupiter's Moon during Retrograde motion

When Jupiter is undergoing retrograde motion as seen from the Earth, would you expect the eclipses of Jupiter’s moons to occur several minutes early, several minutes late, or neither? Can someone ...
Boring Loop's user avatar