2024-12-17 13:29:09
Astronomy
Science
Space

Saturn's Rings: Ancient Relics of the Solar System

Recent research challenges the long-held belief that Saturn's rings are relatively young. Previously thought to be 100 to 400 million years old, new findings suggest they may date back billions of years.

The study highlights that micrometeoroid impacts do not significantly pollute the rings. Instead, the impacts vaporize materials, creating nanoparticles and ions that escape into space or Saturn's atmosphere.

This self-cleaning process supports the theory that the rings could have formed from a collision in the early solar system, possibly involving a hypothetical moon named Chrysalis. The rings, comprised mostly of ice crystals, dust, and rock fragments, are now considered relics from the planet's ancient past.

These insights, derived from advanced simulations and observations, open new avenues for understanding the history of Saturn and its majestic rings. Further research is needed to confirm these findings and explore the origins of this iconic planetary feature.

n-tv.de
17. Dezember 2024 um 07:59

More Than 4 Billion Years?: Saturn's Rings Could Be Very Old

Saturn's rings consist of pure water ice; planetary researchers had previously assumed that they are young; computer simulations now show that micrometeoroids leave hardly any traces; the magnetic field of Saturn promotes ions and nanoparticles from the rings; the Cassini probe detected a stream of darker material from the rings.
tz
17. Dezember 2024 um 09:45

How old are the rings of Saturn? New study turns previous theory upside down

The rings of Saturn consist of ice crystals, dust grains and rock fragments and may be billions of years old, contrary to the previous assumption of 100-400 million years. A new study, published in the scientific journal Nature Geoscience, shows that micrometeoroid impacts at speeds of over 25 kilometers per second do not significantly pollute the rings, as the material escapes into the atmosphere or space as nanoparticles and ions, as planetary researcher Ryuki Hyodo from the research team in..
Frankfurter Rundschau
17. Dezember 2024 um 09:45

How old are the rings of Saturn? New study turns previous theory upside down

Saturn's rings are likely billions of years old, although previous studies dated them to 100 to 400 million years, while the planet Saturn itself is 4.5 billion years old. With small telescopes, the rings of ice crystals, dust grains, and rock fragments are well observable. Micrometeorite impacts at speeds over 25 km/s do not strongly contaminate the rings, as ice blocks and micrometeoroids evaporate and nanoparticles as well as atoms and molecules are formed, which escape into the atmosphere..
Frankfurter Rundschau
17. Dezember 2024 um 10:20

Rätsel um Saturn-Ringe gelöst? Neue Studie bringt bisherige Theorie ins Wanken

Eine neue Studie vom Institut für Wissenschaft in Tokio und dem Centre national de la recherche scientifique (CNRS) in Paris deutet darauf hin, dass die Saturn-Ringe möglicherweise viel älter sind als bisher angenommen. Bisherige Theorien gingen davon aus, dass die Ringe vor etwa 100 Millionen Jahren entstanden sind, während der Gasplanet Saturn selbst vor 4,5 Milliarden Jahren entstand. Die neue Studie zeigt jedoch, dass Meteoroiden-Bombardement die Ringe nicht so stark "verschmutzt", wie erw..
CW

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