![]() ![]() Understanding how the icy particles piled up to make these shapes could shed light on how matter in the protoplanetary disk that accreted around our newborn sun could have clumped together to make planets, Charnoz added. 6 issue of Science-that shows how the Saturnian ice-clump moons elongated and bulged out into the flying-saucer shapes. He is the lead author of a related new study-also described in the Dec. "Accretion disks are found everywhere in the universe- around black holes, around stars, around Jupiter," said astrophysicist Sebastien Charnoz at University of Paris Diderot in France. These findings could shed light on the behavior of "accretion disks"-disks that build up as matter falls toward a gravitational pull. Computer simulations suggest one-half to two-thirds of these bizarre moons are made of ring material, piled up on massive, dense fragments of bigger moons that disintegrated billions of years ago after catastrophic collisions with one another. The view was obtained at a distance of approximately 555,000 kilometers (345,000 miles) from Saturn.After analyzing the shapes and densities of the moons from data captured by Cassini, Porco's team now finds Pan and Atlas appear to be mostly light, porous, icy bodies, just like the particles making up the rings. The image was taken in visible light on January 14, 2009. NASA's Cassini spacecraft snapped some new images of. They are either round, shaped like flying saucers or resemble potatoes. Saturn's minuscule moon Atlas is one of the smallest among the ringed planet's massive collection that includes dozens of satellites. New views of Pan, Dasphnis, Atlas, Pandora and Epimetheus have. Then, as Prometheus moves back toward apoapse, the streamer breaks apart which results in a dark channel. Pan, Daphnis, Atlas, Pandora and Epimetheus each measure between eight and 116 kilometers (five to 72 miles) in diameter. Saturn's moons Prometheus, Pandora and Epimetheus can be seen among the planet's rings in this image from the Cassini spacecraft. As Prometheus moves onward toward periapse-its orbit's closest point to the planet-the streamer gets longer. ![]() At apoapse, the moon's gravity pulls particles of the ring outward into a streamer. Prometheus (86 kilometers, or 53 miles across) dips into the inner edge of the F ring when it reaches apoapse, the moon's farthest orbital point from Saturn. The darkest streamer-channel stretching from the top right to the center of the image shows Prometheus' previous apoapse passage about 15 hours earlier. The moon's handiwork also is apparent in two previous streamer-channel formations on the right of the image. The potato-shaped moon can just be seen coming back out of the ring. Half an hour after the tiny moon Prometheus tore into this region of Saturn's F ring, the Cassini spacecraft snapped this image just as the moon was creating a new streamer in the ring.The dark pattern in the upper left of the image is Prometheus and its shadow. The images were taken at a distance of approximately 62,000 kilometers (38,500 miles) from Hyperion. Saturns small moon Atlas is an identified orbiting object that happens to look a bit like the classic Earth version of a retro-style UFO piloted by aliens. Images taken using infrared, green and ultraviolet spectral filters were combined to create this view. PancakeSwap makes it easy to make your crypto work for you. Trade Now Learn Earn passive income with crypto. Trade any token on BNB Smart Chain in seconds, just by connecting your wallet. These characteristics help preserve the original shapes of Hyperion’s craters by limiting the amount of impact ejecta coating the moon’s surface. 22 million trades made in the last 30 days 2.2 billion staked Total Value Locked Trade anything. Cassini scientists think that Hyperion’s unusual appearance can be attributed to the fact that it has an unusually low density for such a large object, giving it weak surface gravity and high porosity. Saturns moon Atlas got its flat, ravioli-like shape from the merging collision of two similar-size bodies, according to new research. The red color was toned down in this false-color view, and the other hues were enhanced, in order to make more subtle color variations across Hyperion's surface more apparent. Hyperion has a notably reddish tint when viewed in natural color. The view was obtained during Cassini's close flyby on September 26, 2005. Differences in color could represent differences in the composition of surface materials. This stunning false-color view of Saturn's moon Hyperion reveals crisp details across the strange, tumbling moon's surface. ![]()
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