A captivating time in the Juno mission around Jupiter !

Regarding the mountains or volcanoes of Io, there is a remarkable shadow of a mountain or volcano in a high-resolution view of Io during that flyby. I think we can approximate the potential height of the mountain.

I took one of the images presented by Jason to evaluate the size of the topographic structure and to evaluate the potential height of the mountain or volcano.
I assume a diameter of around 1302 pixels for the disk of Io (real diameter of 3643.2 km).
From the peak of the mountain to the limit of the shadow, there is a distance of around 56 pixels (From location A to B, there is a distance of 56 pixels).
That distance of 56 pixels must represent aroud 157 km (56 pixels /1302 pixels * 3643.2 km).
If we have the angle of the Sun above the horizon from location B (location of the limit of the shadow related to the peak of the mountain), we should be in a position to approximate the potential height of that mountain that may be closer, in appearance, to "Mont Cervin" (The Matterhorn) in Switzerland than "Le Piton de la Fournaise" (Peak of the Furnace) in the island of "La Réunion" !

The mosaic Perseverance 907-MZ of Neville is really fantastic !
Some rocks or stones seem to be "rocky or stony bubbles". One can guess "mini-caves" within the rocks !
Volcanic origin ?

An animation of Venus I produced on the basis of ultraviolet data acquired from the Akatsuki probe on October 30, 2021.
25 images mobilized to generate an animation via extrapolations...
Time scale: 5 seconds in the sequence = 1 hour real time.

https://www.youtube.com/watch?v=btJ7AmXGWOw

Great emotional moments !
The third time I watched a landing attempt on the Moon. I had watched the landing attempt of the indian probe Chandrayaan-2 and the landing attempt of the israeli probe Beresheet and each time a crash !
The deceleration of the probe at the end of the vertical descent is impressive. The error margin seems very limited for the acceptable speed at the end of the descent process.


Thanks to iSpace for the great presentation !

Thanks Station for your nice art work. The crescent of the giant planet (whose appearance constantly evolves) from the surface of Triton must be breathtaking.
The Sun located at 30 Astronomical Units must appear as a really bright star even if its apparent diameter is only 1/30 the apparent diameter of the Moon from the Earth. I remember the simulator "Pluto Day" to represent the luminosity on the surface of Pluto. Undoubtedly, on Triton, it is not the complete darkness at mid-day!
The apparent diameter of Neptune would be around 480 times the apparent diameter of the Sun!

Some diversity on Mars!
The stones near the wheel are quite weird! in particular this stone which looks more like a sponge or old gruyère than a stone
If blocks of water ice are hidden inside the rocks why not sublimation events that generate the holes?

Thanks Ralph for the details. Tidally locked but significantly oscillating. If we could discern the glow, Saturn would be living in the sky to a certain extent during the 16 days of revolution around Saturn. A few days ago, I saw the Sun with a remarkably uniform appearance (a very nice white) without burning my eyes through a layer of clouds (or maybe a layer of fog I don't know...) in the sky. During a fraction of a second, I was wondering whether it was the Moon or the Sun.
Sometimes some physical phenomena can be really surprising!
Perhaps, there are some oasis or mirage effects with the disk of Saturn in the sky!

Thanks again,
For the cantaloupe, I used some "ingredients" not related to the cantaloupe terrain Voyager 2 had observed, without the purpose of producing those cantaloupe structures but the outcome reveals small scale-cantaloupes. Satisfied!
It also reminds me of the distorted surface the Phoenix lander had observed on Mars.
Let's hope we'll get higher resolution images of those cantaloupe terrains in the near future!

Thanks,
A way for me to explore in advance that mystical world that may turn out to be more exotic than expected in fact.
I often try to imagine the type of horizon we would get from the surface of Pluto or Triton since the atmosphere of Triton is so thin ( slightly denser than Pluto's atmosphere at "sea level").
I imagined a dull sky and a darker sky toward the zenith. Intuitive logic I would say!
For the appearance of the soil, it is quite speculative I would say because we only have one image of the surface of a planetary body of the outer solar system.

Here is a simulated view of Neptune from the surface of Triton. I produced it in 2020 for an article upon the Trident project in the journal of my astronomy club:

We will compare to reality in a few decades !

(The apparent size of Neptune is well respected in the simulated view from my "smartphone": it would represent a disk whose apparent diameter is about 8 arc degrees or 15 times the apparent diameter of the Moon as seen from the Earth).

Excellent news regarding the salts of Occator Crater!!!
One may assume that for small planetary bodies like Ceres, the volatiles like H, O or H2O should have vanished into outer space over geologic time scales. But curiously, we see here what seems to be the remnant of a subsurface layer or pocket of a water-dominated liquid.
And no tidal forces engendered by a large planetary body...
Eager to see a rover in Occator Crater!

[quote name='ngunn' date='Jul 1 2019, 08:02 PM' post='245157']
I like that liquid surfaces one. Just maybe you will be able to add Venus to it at some point.

I have another perspective for anyone not wishing to wait until 2034 for great views over Titan. This is a painting I finally got finished recently after many delays. It's called Weathered Shore: Titan

Thanks ngunn and congratulation for your true artwork. The color of the sea is a big question mark. We'll see in the 40's or before if you were close to reality!

For the perspective, another one revealing the worlds containing liquid surfaces:

For a presentation upon the Cassini-Huygens mission in my astronomy club, I recently made this view of Titan compared to the other moons of Saturn at scale.

Great news!
A major technological and scientific challenge!
Potential rainfall events from time to time in the equatorial or tropical area. So why not puddles (if the surface is not too porous or absorbent).
Many questions regarding the nature and the physical characteristics of Titan's dunes.
Are those dunes related to an ancient ocean or sea of methane or to the repetitive action of rainfall events (erosion, evaporation...) for instance ?
What kind of chemistry of course?

Very nice work!
Some "scientific artists" of the past had anticipated the shape of that new type of solar system object. Really remarkable!

At first sight, I would bet that the density of Thule is higher than the density of the external blanket of Ultima since Ultima seems to have been more distorted by the relatively soft impact wheras Thule seems more uniform (or less distorted).

Can the gravitational interactions between the two parts in the rotation process engender landslides or resurfacing events erasing some craters?

It is surreal to observe a surface devoid of any significant stones or rocks.
I imagine that the area is particular since we are in a large crater which appears quite flat from outer space. A large amount of volatile material resulting from the impact event must have filled the area. That's probably why, to a certain extent, the surface seems so cottony with a significant layer of dust (marking of the wheels).
I anticipate that we would have to dig to find the rocks.
I may be wrong but that's my impression at first sight.

Congratulation to CNSA and the engineers!
Surprised! I don't see a lot of stones in the first view and the surface seems to be particularly soft with a lot of dust.
It looks like dry clay (in a windy day), the kind of clay you find in Roland Garros for instance!

7/10 A first for sure!

Have there been several contacts between the bodies?
Apparently, at first sight, the relatively circular shape of the contact area implies that the crash trajectory must have been roughly perpendicular to the surface of the bigger rock or object (volume about 3 times higher according to Alan Stern).

You've brought the evidence

Full inline quote w/pictures removed to conserve users' bandwidth. - Admin

That's a fascinating area of the rings of Saturn. One can measure it in your 3D view.
When looking at those rings, I have in mind the phenomenon of clouds on Earth. When you are outside the clouds, they are bright and opaque and when you are inside the cloud, you are in the fog or in the haze but you have some visibility.
That area looks like a Terrestrial landscape but with a different physical logic. Our mind is not used to that.
When I see the shadows of the pseudo-mountains, I think about the snake skin terrain of Pluto and its blades but it has nothing to do with geology.

A fascinating environment that you managed to represent.
Are those pseudo-mountains or waves so round or are they sharper in reality?

Our sister planet!
It could have been a tropical world with mean temperatures comparable to the temperatures they are encountering in Australia at the present time but that's far from being the case!
Even at the top of Maxwell Montes, it is a hell!

Following the inspiring work of Damia on the basis of Akatsuki data, I've recently represented Venus and the Earth at scale.
Here is the outcome:

Anorther remarkable view of the Venusian atmosphere Damia!
The level of detail is impressive here.
Can you imagine a Zeppelin in the highly dynamic upper atmosphere of Venus?