Jupiters Realms

SpaceNut · 2021-11-21 10:20:13

The longer the approach time is inside of the jovian system the higher that REM count will be even in the ship you are getting there in.

Void · 2021-11-21 10:43:01

I am interested.

Caliban,

The GCR is protected for for Europa, and maybe Io? How about Ganymede and Callisto?

Spacenut how about cycling spaceships to escort protected ships through the fields for most of the way?

All of the gas giant plants are behind the solar snow line, even Jupiter.

How about protective "Ice Boxes". That is envelopes built primarily of water ice?

I guess a more proper term is "Frost Line".

https://en.wikipedia.org/wiki/Frost_lin … physics%29
Quote:

Frost line (astrophysics)
From Wikipedia, the free encyclopedia
Jump to navigationJump to search
In astronomy or planetary science, the frost line, also known as the snow line or ice line, is the particular distance in the solar nebula from the central protostar where it is cold enough for volatile compounds such as water, ammonia, methane, carbon dioxide, and carbon monoxide to condense into solid ice grains.
Each volatile substance has its own snow line (e.g. carbon monoxide,[1] nitrogen,[2] and argon[3]), so it is important to always specify which material's snow line is meant. A tracer gas may be used for materials that are difficult to detect; for example diazenylium for carbon monoxide.
The term is borrowed from the notion of "frost line" in soil science.

I had previously been interested in the value of Jupiter's magnetic field for space habitats to be embedded in it. I was thinking of locations like Calisto, or a bit more out from Jupiter. But "Ice Boxes" would grant more protection, so that perhaps Calisto and Ganymede might become accessible.

Sources of raw materials could then be Calisto, Ganymede, the Trojans, and the Asteroids, maybe even the terrestrials, but I think it would
be likely to get most locally.

An "Ice Box" would largely be composed of water ice, but could include fiber in the ice, to make it a bit like Pykrete.
https://en.wikipedia.org/wiki/Pykrete

There would be no reason why you could not coat the ice with some substance that would render the ice even more stable.

And contrary to what most people might think, I think that solar could be the energy source. Simply use thin solar concentrating mirrors.
That may even be possible at Saturn, Uranus, Neptune, and Pluto>Kuiper belt. Of course best options are at Jupiter.

One may use Chevron walls, so that heat can escape from the "Box", but impactors are dealt with to some degree, and also radiation is impeded, and sunlight can enter the box.

And so, you could have spacecraft and spinning habitats inside of the "Ice Box".

Then some of these could have orbits that are a multiple of either Calisto, or Ganymede.

Someday, maybe even for Europa and Io. Most likely only mining robots for Io.

Done.

It is so hard to get an image of the Chevron coverings for the windows of an O'Neil Cylinder!

OK, what is bellow with all the arrow pointers. Imagine that what you want to allow to pass or want to block can be strongly controlled
by the structure below. Sunlight, impactors, and radiation passing downward on this page.

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Ideally only Sunlight getting through to this sentence.

Of course the geometry of the wall made of chevrons is not actually perfect as per engineering.

It is possible that if you query for "Chevron" something will turn up on this site. I did deal with it previously in some post.

Done.

https://www.encyclopedia.com/science/ne … spacecraft
Quote:

A champion of the cycling spaceship idea is the Apollo 11 astronaut Buzz Aldrin. Aldrin's vision is to have large cycling spaceships swinging permanently between the orbits of Earth and Mars. A cycling spacecraft in an elliptical orbit would transit from Earth to Mars and back again, permanently cycling between the orbits of the two planets. This approach could be used to put in place an interplanetary passenger transport system.

Of course we cannot likely use an "Ice House" cycling space structure sunward of the Frost Line. However it should be OK for many of "Jupiter's Realms".

It could be that huge populations may exist in orbit of Jupiter and the other Gas/Ice Giants.

Done.

Last edited by Void (2021-11-21 12:45:34)

Void · 2021-11-21 11:26:09

I guess I could amend my just previous post.

You could, perhaps use an "Ice Box", closer to the sun than the "Frost Line", but you would have to include an effective and reliable sun shade method.

So, going forward in time, perhaps there could be huge enclosures cycling from Earth to ?, providing hospitality support to spaceships and habitats enclosed within.

But not for a while I would think.

Mars, Ceres, and Callisto could provide the ice, I guess, maybe Earth>Hydrogen/Moon>Oxygen.

Done.

Terraformer · 2021-11-21 13:13:22

I don't think solar can be ruled out until you reach maybe Saturn. There's nothing that would stop large concentrating structures being build in space, with power beamed down by microwave to surface settlements. As I said elsewhere, Earth is uniquely ill suited to beamed power, because the land is already being used by creatures that we don't want to fry. But Ganymede has plenty of land for building rectenna arrays, and no birds flying over it or ramblers rambling on it to boil under a 10kW/m^2 flux.

But maybe Io has transuranics?

Void · 2021-11-21 16:42:25

Hi Terraformer,

So good to see you here again. Korov was very optimistic about solar energy. Time will tell.

I fear that yes a mirror will suffer attrition from impactors, and have to be rebuilt. Also accuracy of the surface is a problem.

But we will see.

Like you I feel that solar for the Jupiter system, is probably do-able. For Saturn, ?

We can hope that by that time Fusion or some advance fission will be available, or something else?

But with the terrestrials, and the Jupiter Realms, and just possibly Saturn, that's a lot of stuff

Done.

Last edited by Void (2021-11-21 16:43:45)

Mars_B4_Moon · 2022-01-02 10:41:31

Jupiter Clipper mission is scheduled to launch in October 2024 aboard a Falcon Heavy

https://www.teslarati.com/spacex-falcon … n-mission/

https://arstechnica.com/science/2021/07 … ain-price/

Mars_B4_Moon · 2022-04-22 06:34:31

NASA's Lucy mission is a 'go' for solar array deployment attempt

https://phys.org/news/2022-04-nasa-lucy … array.html

Mars_B4_Moon · 2022-05-02 09:24:00

Potential For Shallow Liquid Water On Jupiter's Moon Europa, Study Suggests

https://www.independent.co.uk/space/jup … 60866.html

Mars_B4_Moon · 2023-03-25 06:15:51

In Photos: NASA Spacecraft In Super-Close Flyby Of Jupiter’s Volcanic Moon Io
https://www.forbes.com/sites/jamiecarte … c-moon-io/

At Jupiter, JUICE and Clipper Will Work Together in Hunt for Life
https://www.scientificamerican.com/arti … -for-life/

JUICE Payload
https://sci.esa.int/web/juice/-/50073-science-payload

JANUS - Camera system ASI, Italy. MAJIS - Moons and Jupiter Imaging Spectrometer, CNES, France. UVS - UV imaging Spectrograph NASA, USA. SWI - Sub-millimeter Wave Instrument DLR, Germany. GALA - GAnymede Laser Altimeter, DLR, Germany. RIME - Radar for Icy Moons Exploration ASI, Italy. J-MAG - A magnetometer instrument for JUICE UKSA, United Kingdom. PEP - Particle Environment Package, SNSB, Sweden. RPWI - Radio & Plasma Wave Investigation, SNSB, Sweden. 3GM - Gravity & Geophysics of Jupiter and Galilean Moons, ASI, Italy. PRIDE - Planetary Radio Interferometer & Doppler Experiment, NWO and NSO, The Netherlands.

Mars_B4_Moon · 2023-04-08 17:54:33

ESA will intentionally crash Juice into Ganymede to end the mission -- unless it finds signs of life there.
https://www.planetary.org/articles/juic … on-preview

Jupiter missions: Past, present and future
https://www.space.com/jupiter-missions-brief-history

Europa Clipper, like NASA's Juno mission before it, will adopt an elliptical orbit that takes it far out from Jupiter and the planet's intense radiation for most of the time. Clipper will sail in for a close approach to Europa and then back out, over and over again, for nearly 50 flybys of the ocean moon. This will allow the spacecraft to pass over a different part of Europa each time to survey the entire surface.

Mars_B4_Moon · 2023-04-11 02:55:41

Guiding JUICE to Jupiter
https://www.spacedaily.com/reports/Guid … r_999.html

This phenomenal endeavour, led by the European Space Agency, is powered by Airbus technology. Our engineers have rarely faced a greater challenge than enabling such a journey. The JUICE probe will encounter extreme temperatures, intense radiation and decreasing solar energy during its 5 billion kilometre journey. Being self-sufficient in energy generation and storage is key to the mission's success.
Operating in the outer reaches of the solar system, far from the Sun, JUICE uses large solar arrays around the size of a badminton court - 85 m2 - to generate energy.
Divided into ten panels each measuring 2.5x3.5m, JUICE's solar wings will produce energy during its long journey to Jupiter. The solar energy will enable JUICE to carry out 35 fly-bys of Europa, Ganymede and Callisto and generate the 800 watts of power needed to operate the ten scientific instruments on board.
Airbus manufactured the panel structures and the deployment mechanism. Both have been subjected to robust testing to ensure they are ready to face the extremes of temperature the mission will encounter, from -230C at Jupiter up to +110C during Venus flyby, the hottest surface of the spacecraft reaching +250C.

Jupiter: The fascinating Europa moon, NASA's next challenge
https://www.lemonde.fr/en/science/artic … 22_10.html
With the departure of its Europa Clipper probe

Mars_B4_Moon · 2023-04-14 11:08:30

Looks like ESA Jupiter mission 'Juice' is on its way, one of many designs considered Jupiter Planetary Orbiter (JPO), a Jupiter Magnetospheric Orbiter (JMO) and a Jupiter Europa Orbiter (JEO), and may be even an Europa lander once considered including a joint JIMO Nuclear mission, budget cuts ended these missions but they were considered too important to cancel by both NASA and ESA.

Now there is Juice and Clipper.

Europe's Jupiter probe launched
https://www.spacedaily.com/reports/Euro … t_999.html

When the probe finally enters Jupiter's orbit in July 2031, its 10 scientific instruments will analyse the Solar System's largest planet as well as its three icy moons Europa, Ganymede and Callisto.

Mars_B4_Moon · 2023-04-30 04:46:27

'What are the prospects for life on the icy moons Europa and Enceladus'?

https://www.shiningscience.com/2023/04/ … n-icy.html

NASA JPL continues working on Clipper, ESA interplanetary spacecraft that was launched on 14 April 2023 from Guiana Space Centre in the French Guiana but Work continues to deploy Juice RIME antenna. JUICE will pass through the asteroid belt twice, flyby of the asteroid 223 Rosa has been proposed, Gravity assists include Interplanetary transfer (Earth, Venus, Earth, Earth)

The Europa Imaging System Narrow-Angle Camera has arrived at NASAJPL
for integration onto our spacecraft! It will reveal the surface of Europa like never before, providing resolution as fine as half a meter per pixel – and in color and stereo!
https://twitter.com/EuropaClipper/statu … 0582087681

ESAJuice deployment status update: our 16 m-long ice-penetrating RIME antenna is not yet fully deployed as planned. Work is ongoing to resolve an issue currently preventing it from being released from its mounting bracket.
https://twitter.com/ESA_JUICE/status/16 … 1955772417

Mars_B4_Moon · 2023-05-16 07:00:52

Juno’s upcoming encounter with Io

https://www.youtube.com/watch?v=6oMDd7rAeHw

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#26 2021-11-21 10:20:13

Re: Jupiters Realms

#27 2021-11-21 10:43:01

Re: Jupiters Realms

#28 2021-11-21 11:26:09

Re: Jupiters Realms

#29 2021-11-21 13:13:22

Re: Jupiters Realms

#30 2021-11-21 16:42:25

Re: Jupiters Realms

#31 2022-01-02 10:41:31

Re: Jupiters Realms

#32 2022-04-22 06:34:31

Re: Jupiters Realms

#33 2022-05-02 09:24:00

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#34 2023-03-25 06:15:51

Re: Jupiters Realms

#35 2023-04-08 17:54:33

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#36 2023-04-11 02:55:41

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#37 2023-04-14 11:08:30

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#38 2023-04-30 04:46:27

Re: Jupiters Realms

#39 2023-05-16 07:00:52

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