6 ms·
New images of Jupiter
- pletnes 2y agoIs anyone making posters I can get for christmas?
- ahazred8ta 2y agoYmmv but https://duckduckgo.com/?q=jupiter+juno+poster&iar=images&iax=images&ia=images https://duckduckgo.com/?q=jupiter+juno+poster&iar=images&iax... -- https://duckduckgo.com/?q=jupiter+poster&iax=images&ia=images https://duckduckgo.com/?q=jupiter+poster&iax=images&ia=image... --
- deleted 2y ago[deleted]
- ohmahjong 2y agoThese kinds of images never fail to amaze me. I know there some editing going on to make them more visually accessible/impressive, but wow. Images are only going to get better, too.
- beezlebroxxxxxx 2y agoIt will be fascinating to see how the long running image of Jupiter, striated with a series of bands of distinct colour with a clear big "dot", will get replaced with more updated ones like this, chaotic, swirly, almost painterly in the ways the colours blend.
- grahamj 2y agoBeyond the appearance what always gets me is the scale. You see these beautiful swirls and then realize you could fit a planet in them. It’s mind boggling.
- chrisco255 2y agoJupiter is so beautiful, the patterns in the clouds are incredible!
- magicalhippo 2y agoJunoCam[1] is not a scientific instrument on Juno. It was added just to make cool images like this for us to enjoy. I for one is happy for that. Of course, data is data so there is some science planned using it. [1]: https://en.wikipedia.org/wiki/JunoCam https://en.wikipedia.org/wiki/JunoCam
- -5m 2y agoThis should be a thing on more future space missions. Cant wait for the images of Europa Clipper!
- sidcool 2y agoIt's so scary! All those swirls are like planet size hurricanes. Had Jupiter been bigger, it would have been a star, and life on earth would not have existed. Gives me chills.
- jb1991 2y agoJupiter will forever regret the path it did not take.
- deleted 2y ago[deleted]
- sidcool 2y agoJust like me /s
- lbltavares 2y agoJupiter would need to weigh 13 times its current mass to become a brown dwarf, and about 83 to 85 times its mass to become a low-mass star [1] [1]: https://www.astronomy.com/science/ask-astro-could-jupiter-ever-become-a-star/ https://www.astronomy.com/science/ask-astro-could-jupiter-ev...
- chongli 2y agoAlso interesting to note that the combined mass of all planets in the solar system is only about 1.4 Jupiter masses (or 0.0014 Solar masses). The Sun did not leave us much to work with if we’re hoping to build a second star!
- Buttons840 2y agoEarth's mass is something times 10^24. Jupiter's mass is 2 x 10^27. The smallest stars are 8 x 10^28. On an exponential scale, Jupiter is closer to being a star than it is to being Earth. So... maybe you could say that Jupiter is almost a star. With such loose definitions talking about astronomical scales, there's a lot of room for interpretation and exaggeration. I think the point is--in the spirit of appreciating Jupiter--Jupiter resembles the largest possible planets.
- -5m 2y agoThese are beautiful! I wonder why they host the full resolution pictures on Flickr and not on their own servers though.
- quincunx 2y agoWhy is Jupiter so colorful? If the variation of color are indicative of a similar variation in density, why is there so much turbulence in Jupiter, why are the upper layers not more consistent? Tidal motion? Anyone know?
- oersted 2y agoIt says exaggerated color/contrast. It seems to be a trend lately like the recent images of the Moon and Pluto. They might even be translating non-visible spectra to color so the material composition can be distinguished better, like they do with nebula and such. It is well intentioned, it makes the images much more informative, and they are just really cool, which helps with public support. But it is also a bit misleading and confuses people.
- deleted 2y ago[deleted]
- magicalhippo 2y agoIn this post[1] there's a JunoCam picture from a previous flyby, which has been adjusted to be roughly as a human would see it. Still a lot of color though! This[2] paper studies the ovals but has some details on the atmosphere, including the colors: The reddish color is usually attributed to red “chromophores”, which are products of a series of complex chemical reactions, such as the UV photolization of ammonia with acetylene. These chromophores can act as coating material for the ammonia particles. The cloud structure of the Jupiter's atmosphere, and in particular the nature of vortex features, as the [Great Red Spot] and the white ovals, is still puzzling. This[3] paper tries to reproduce the reactions in the lab and compare them with the observed colors. It goes into some more details around the potential color formation. I also want to just include this picture[4] because I just love the tiny fluffy clouds, which shadows provides amazing depth feeling. [1]: https://www.jpl.nasa.gov/images/pia25018-nasas-juno-mission-reveals-jupiters-complex-colors/ https://www.jpl.nasa.gov/images/pia25018-nasas-juno-mission-... [2]: https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2017GL072940 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/201... Characterization of the white ovals on Jupiter's southern hemisphere using the first data by the Juno/JIRAM instrument [3]: https://doi.org/10.1016/j.icarus.2016.03.008 https://doi.org/10.1016/j.icarus.2016.03.008 Chromophores from photolyzed ammonia reacting with acetylene: Application to Jupiter’s Great Red Spot (use the hub of science for full paper) [4]: https://apod.nasa.gov/apod/ap241103.html https://apod.nasa.gov/apod/ap241103.html
- 768DataSeeker 2y agoThe colour combo, so cool
- deleted 2y ago[deleted]
- Aachen 2y agoThese come from Juno, a mission sent in 2011 and orbiting Jupiter since 2016. Must say it wasn't really on my radar anymore, but looking at the timeline on Wikipedia, it's still going around and getting close ("perijove") every month and a week or so, at an ever-increasing longitude https://en.wikipedia.org/wiki/Juno_(spacecraft)#Timeline https://en.wikipedia.org/wiki/Juno_(spacecraft)#Timeline The planned end of the mission is in about a year. The camera was "included in the payload to facilitate education and public outreach [but] later re-purposed to study the dynamics of Jupiter's clouds"
- foobarbecue 2y agoYeah, they had to fight so hard to get that camera on there! It was not included in the initial designs since it wasn't necessary for the science objectives.
- Aachen 2y agoMakes me wonder what it costs to send a "simple" camera along. Factors that make it probably not so simple: even 200 grams of camera (and extra solar panels to supply +10W while operating) probably costs many thousands of euros in rocket fuel and emission taxes. The engineering time to properly fixate it onto the spacecraft, integrate the software, and test the whole thing cost probably a few ten thousands in salaries. Radiation may be a big problem for what's otherwise off-the-shelf hardware, that might mean the hardware costs much more (tens of thousands instead of a couple hundred euros potentially?) and gets significantly heavier from shielding, but I wouldn't know how much. Is that about right, am I missing something major and/or am I off on orders of magnitude somewhere?
- dr_orpheus 2y agoYeah, you got a lot of it and the ripple effect of things that go out from it. In addition to the extra mass of the camera and solar arrays, there is extra mass for the harnessing to connect the camera to the computer and engineering design for that as well. Integration of anything else on the spacecraft will have to go through Failure Modes Effects and Criticality Analysis (FMECA). Basically, this gets in to pretty detailed circuit design analysis and makes sure that any failure on the camera itself (like a short circuit or babbling idiot data bus) won't impact the rest of the spacecraft. Potential cost of increased storage onboard the spacecraft if it is significant data volume. Cost of downlinking the data to the ground, time on the DSN is expensive. I think the cost data sheets for DSN usage are online and it depends on data rate, what dish you are using, etc. but costs for usage are on the order of thousands per hour and data rates from Jupiter are pretty slow. The cost of the camera itself is likely on the order of a couple hundred thousand. I've seen similar costs for small radiation hardened cameras and star trackers. The difference in parts cost for some things can be absolutely insane. Passive electrical components certainly cost more, but for active circuits it can be insane. A radiation hardened equivalent of a $20 FPGA can be something like $20,000. All told, cost of integration and use over the mission is likely at least a few million. But on a $1.1 billion mission it still doesn't seem like a lot.
- mobeigi 2y agoSo beautiful! I love these!
- CheatModeON 2y agoFeels like Van Gaugh has travelled to Jupiter already.
- JoeAltmaier 2y agoJuno was something about radar - penetrating the cloud layers to see what was below. In college my son worked on the FFT engine that processed the radar data. He has code circling Jupiter!
- awanderingmind 2y agoThat's really cool, something to be proud of :)
- KWxIUElW8Xt0tD9 2y agoI worked with a guy once back in the 80s who did the radar preamp on Pioneer Venus I believe it was. Very bright individual.
- latexr 2y agoThat would be a hilarious (and confusing) bumper sticker. When other parents say “my son is an honour student” you can smugly reply “yeah, but does he have code circling Jupiter?” Congratulations, by the way. I’m being (trying to be) funny but I genuinely think that is cool and a reason to be proud.
- generic92034 2y agoOn the other hand, depending on their development, the Jovians might think that everything at all is circling Jupiter. :D
- perihelions 2y agoThat's only obvious if you're looking at Jupiter from the outside! You could imagine primitive aliens on the various moons each believing their own is the center of the Jupiter system, which is an elaborate world of epicycles. And when they communicate with the aliens of the other worlds (over shortwave radios each time the moons fly past each other), they debate Europacentrism and Ganymedocentrism and get into very heated arguments.
- ridgeguy 2y ago
- lofaszvanitt 2y agoHow hard is it to send something there to give us a 24/7 feed of the planet from a fixed angle?
- CableNinja 2y agoPretty difficult. Jupiters sphere of influence is full of radiation, meaning the sat needs a lot of shielding which makes it very heavy. Additionally, you need a lot of thrust to not only get to Jupiter, but to be able to get into a geosync orbit around a planet other than earth, so youre gonna need a lot of fuel. And finally, time... Europa Clipper just left earth, it will be 8 years before it arrives at jupiter. The windows for launch are long but very spread out, so mission timing would be important too. And, funfacts time.. Clipper is going to europa but will be spending much of its time in orbit around jupiter, passing closely to europa every orbit. This was done to limit the amount of radiation the sat will get during its mission, and that orbit is uuuge, in order to avoid as much of the radiation as possible. The area of Jupiter and its moons is probably one of the most hostile space environments in our system, catching asteroids, radiation, huge planet full of gasses that would corrode you and your ship if you dipped in, and a huge gravity well that makes it difficult to leave again once youre there. Not many other planets in our system are as dangerous as jupiter and friends.
- KWxIUElW8Xt0tD9 2y agoI was under the impression that we now know how to do low-fuel paths through the solar system using gravity. It's more a question of how long do you want to take to get where you're going.
- foobarbecue 2y agoIf you want to go faster, you need more fuel, and eventually you max out the biggest rocket available. Clipper is the most massive planetary probe ever-- they had to use falcon heavy in fully expendable mode to get it up there.
- 2y ago
- openrisk 2y agoAlien feel (and even unsettling at times). I guess we have grown used to this by now, but from the Moon landing pictures, to the Mars rovers and the various asteroid and planetary missions the objects of the Solar system are now vivid, complex and above all, "real" places.
- danparsonson 2y agoI know what you mean - looking at planetary close-up images, I sometimes involuntarily get the feeling of what it would be like to be out there with the probe, lonely and desolate and millions of miles from home....
- kulahan 2y agoThe photos of Pluto from the New Horizons mission are stunningly beautiful. Who knew you could fall in love with a frozen rock?
- ned99 2y agoBreathtaking! Just imagine, a century from now, maybe later or sooner, we could visit planets like Jupiter, that once, we could only look at them from the photo. I hope the humanity lives on, and strives forward in engineering.
- youtubeuser 2y agoMaybe silly question, but why are the pictures cropped?
- dr_orpheus 2y agoNot a silly question. I don't think the images are actually cropped. JunoCam is described as a "push broom" imager [0]. The camera takes pictures as the spacecraft turns. So it's more like you are looking at a stitched together panorama and not a cropped version of a larger image. [0] https://en.wikipedia.org/wiki/JunoCam#Design https://en.wikipedia.org/wiki/JunoCam#Design
- itishappy 2y agoNot silly at all! There's actually a lot more being done here than just cropping... > The image is reprojected according to a preliminary geometrical camera model, cleaned from some of the camera artifacts, approximately illumination adjusted with a 3rd degree polynomial BRDF over the cosines of the incidence and emission angle Check out the "Source Image(s)" link attached to each pic, it should give you a much better idea what the camera is actually seeing. Scroll to the bottom of the source image and you can see the different color channels as well as how it's interleaved for transmission. Here's the example I pulled that description from and it's source: https://www.missionjuno.swri.edu/junocam/processing?id=17025 https://www.missionjuno.swri.edu/junocam/processing?id=17025 https://www.missionjuno.swri.edu/junocam/processing?id=JNCE_2024296_66C00034_V01 https://www.missionjuno.swri.edu/junocam/processing?id=JNCE_...
- procufly 2y agoThe image quality improvement is unbelievable on these photos!
- uhtred 2y agoA big beautiful ball of gas floating around in empty space for absolutely no reason whatsoever!