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Saturn’s Rings Could Be 4.5B Years Old, Not 400M



New analysis means that Saturn’s rings could also be older than they appear—presumably as previous because the planet, the AP reviews. Instead of being a youthful 400 million years previous as generally thought, the icy, shimmering rings may very well be round 4.5 billion years previous identical to Saturn, a Japanese-led group reported Monday. The scientists surmise Saturn’s rings could also be pristine not as a result of they’re younger however as a result of they’re dirt-resistant. Saturn’s rings are lengthy considered between 100 million and 400 million years previous primarily based on greater than a decade of observations by NASA’s Cassini spacecraft earlier than its demise in 2017.

Images by Cassini confirmed no proof of any darkening of the rings by impacting micrometeoroids—area rock particles smaller than a grain of sand—prompting scientists to conclude the rings shaped lengthy after the planet. Through pc modeling, the Institute of Science Tokyo’s Ryuki Hyodo and his group demonstrated that micrometeoroids vaporize as soon as slamming into the rings, with little if any darkish and soiled residue left behind. They discovered that the ensuing charged particles get sucked towards Saturn or out into area, protecting the rings spotless and difficult the infant rings idea. Their outcomes seem within the journal Nature Geoscience.

Hyodo stated it is potential Saturn’s rings may very well be someplace between the 2 excessive ages—across the midway mark of two.25 billion years previous. But the photo voltaic system was way more chaotic throughout its early life with massive planetary-type objects migrating and interacting far and wide, simply the type of situation that may be conducive to producing Saturn’s rings. “Considering the photo voltaic system’s evolutionary historical past, it is extra seemingly that the rings shaped nearer to” Saturn’s earliest occasions, he stated.

(More Saturn tales.)



Ella Bennet
Ella Bennet
Ella Bennet brings a fresh perspective to the world of journalism, combining her youthful energy with a keen eye for detail. Her passion for storytelling and commitment to delivering reliable information make her a trusted voice in the industry. Whether she’s unraveling complex issues or highlighting inspiring stories, her writing resonates with readers, drawing them in with clarity and depth.
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