Jovian Moons [ID: 1]

There are at least 63 jovian moons! The largest four moons, Io, Europa, Ganymede and Callisto, are called the Galilean satellites because they were discovered by Galileo. We do not get close to them because Juno is in a polar orbit, but occasionally the spacecraft is close enough for images to be worthwhile. For example at PJ17 we imaged a volcanic plume erupting from Io!


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  1. comment by Ungaretti-11 on 2022-04-05 01:09 UT

    Wow!Great.I Love Juno very much.

  2. comment by TON-618 on 2021-12-06 16:34 UT

    can't wait to see more junosnaps of the galilean moons

  3. comment by Brody-42 on 2021-09-04 10:37 UT

    These images of Jupiter and Ganimede was captured on August 29, 2021 from city of Cremona (Northern Italy) through a 255mm F20 Maksutov Rumak telescope with Zwo ASI 224MC CMOS camera, IR Blocking filter and ADC Corrector. Video of 120sec at 30 fps with Sharpcap, was stacked 1800/3600 frames. Images processed with Astrosurface, registax, Fitswork, Camera Raw.

  4. comment by Seeker on 2021-06-15 23:00 UT

    Regards earthlings!

    Have you heard about Mission Rahma? It's a department of the Galactic Federation that takes care of the cosmic plan for Earth and Humankind and it's based at a deep abyss in Ganimedes, which they call "Morlen". They are teaching a contact protocol so we can tune in with their frequency and start communicating with them.

  5. comment by Seeker on 2021-06-11 18:26 UT

    Hi earthlings

  6. comment by Oujianquan-62 on 2021-02-08 09:17 UT

    couldn't we post-process those pictures to get more details..??

  7. comment by Huebner-95 on 2020-10-21 14:30 UT

    sorry, moons

  8. comment by Huebner-95 on 2020-10-21 14:30 UT

    what if we did a close up to the moon to see more about them?

  9. comment by Ujjwalruhela04 on 2020-09-24 02:42 UT

    The images must be more clear

  10. comment by Kaitlinmaria-18 on 2020-04-26 05:38 UT

    I would like to see more detailed images

  11. comment by Jha_Santosh on 2020-04-06 20:48 UT

    IO with volcanic plume will be worth to see. I'll be eagerly waiting for the Junocam snaps.

  12. comment by Eviesobczak-69 on 2020-01-19 04:41 UT

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  13. comment by Bradshaw-73 on 2019-11-11 01:54 UT

    I would love to see more detailed pictures of the many moons of Jupiter.

  14. comment by Kapur-96 on 2019-11-11 00:51 UT

    It would be so cool to see time lapse photography of Io and its tidal Flexing, are there any images like this?

  15. comment by Shimanto-18 on 2019-11-09 23:59 UT

    This is an very interesting picture. I think there are many things and mysterious in this earth remained unknown. As I saw this picture, I was wondering how volcanic plume erupting from lo?

  16. comment by Wuyeesun-93 on 2019-06-25 21:40 UT

    this more of a question then a comment,but is it possible that the volcanic plume eruption.would this effect earth in anyway.say like a solar flare would

  17. comment by Gamzatov-27 on 2019-06-01 07:34 UT

    Hi my name is vineet.I had developed an interest in astronomy in my 12th standard.At that time we had not so much sophisticated tools as are today to view and see jupitor.If we consider the time when gallileo was interested in astronomy we can get various answers for the quest.We humans do feel the effect of planetary motions and the solar system even when we are uneducated about these.As usual we had also learnt about the ancient scientists in our text books, but even today we are still completely unaware as to what prompted them to design telescopes and measuring instruments to actually lead to the todays research.We should be thankfull to them in this respect.Iam of the opinion that the various myths associated with universe have some logical base.We have to look from this angle also.Nothing is unimportant.Considering Jupitor, it impacts our thoughts as it is the biggest planet and the biggest planets also have more effects.What was in the past on Jupitor is still unknown ,but everyday we are getting answers and more qurious questions also.There are various theories evolving as precision and technology is improving and evolving.I think it will help us in the future.But we cannot neglect old thoughts and theories also.

  18. comment by Halaesus-32 on 2019-05-07 11:56 UT

    This looks cool

  19. comment by bzznzo on 2019-04-23 12:57 UT

    Think tank Io images here :

  20. comment by Candy on 2019-04-23 03:36 UT

    Go to the Think Tank to see the images of Io we've already acquired!