... moons Enceladus, Dione, Rhea, Hyperion and Iapetus.The moons and their ... "zoomable" mosaics of Rhea and Hyperion at high resolution; false-color ... compositional variation on the surfaces of Hyperion, ...
NASA's Cassini spacecraft captured these raw, unprocessed images of Saturn's moon Hyperion during a close flyby on May 31, 2015. This flyby marks the mission's final close approach of Saturn's irregularly shaped moon, Hyperion.
... PREPARES FOR LAST UP-CLOSE LOOK AT HYPERIONPress Release: May 28, 2015NASA's ... large, irregularly shaped moon Hyperion on Sunday, May 31.The Saturn-orbiting spacecraft will pass Hyperion at a distance ...
... unprocessed images of Saturn's moon Hyperion were taken on Aug. 25, 2011, as ... conducted its second closest flyby of Hyperion at a distance of about 15,500 miles (25,000 kilometers).Hyperion is ...
... of Enceladus, and one each of Hyperion, Dione, and Rhea -- occurred in ... know these bodies intimately. Hyperion is perhaps the strangest yet seen. ... packed and deeply etched pits on Hyperion were ...
Most definitely. Lovely series of Hyperion images. Hyperion has had virtually no attention in the extended missions, so it's great to see some new decent material concerning this large strange icy object.
I am sure that with this set, we have some decent observations from viewing angles not possible before, i.e in September 2005, the only really close approach.
Thanks enceladus5 & greece for your responses. :)
Another thing I have seen with my own enlargements of Daphnis is that Daphnis appears to have a 'large' crater, approx 2 KM wide on a 9 KM long body. Wonder if this shows that Daphnis is an icy rubble pile held together by gravity (a more solid body would shatter)???
Main Belt Asteroid 253 Mathilde has been seen to have huge deep craters & Hyperion too has deep craters & both objects have been found to have very low densities.
Reminder the ESA Rosetta Spacecraft encounters the large Main Belt Asteroid 21 Lutetia on Saturday afternoon (UTC).
Thank you Carolyn. Hyperion it is. the effects of porosity are far more vivid there than on other moons, but the charector of the "slump" craters sugest to me that even some of the hydrodynamicly stable moons have "crusts" with higher porosity than i expected before Cassini. if i can recall the other moons i've seen them on, i'll let you know.
HenryBrooks: I believe you're asking about the degree and scale of the porosity: ie, big holes in somewhat densely packed material or lots and lots of little holes spread throughout. And the answer is that we don't know that level of detail. We just know that given a body's size, and what we know of its mass and its composition, if the density seems too low for its composition, it means it must be porous. Hope this helps. (In the future, you should post such a comment under a Phoebe or Hyperion image.)
Hi, I'm new here so my question may have been answered previously. I was looking at some of the published papers and was wondering this: when a small body such as Phoebe or Hyperion is said to be "porus", does that mean in practical terms that beneath the surface there could be something similar to caves? Or is this more in the geological sense of a glacier moving thru rock? I hope I am making sense here. Thanks in advance for the patience.