• DMCA
  • Disclaimer
  • Privacy Policy
  • Cookie Privacy Policy
  • Terms and Conditions
  • Contact us
Inter Space Sky Way
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy
No Result
View All Result
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy
No Result
View All Result
Inter Space Sky Way
No Result
View All Result
Home Space

Saturn’s rings could also be far older than we thought

December 24, 2024
in Space
60 2
0
Saturn’s rings could also be far older than we thought
74
SHARES
1.2k
VIEWS
Share on FacebookShare on Twitter


You might also like

China’s Tianwen 2 asteroid-sampling spacecraft snaps a selfie with Earth

Rogue planet beneficial properties 6 billion tonnes per second in report progress spurt

Devoted beginner discovers supernova in distant galaxy

Saturn and its rings, as imaged by the Cassini spacecraft

Saturn and its rings, as imaged by the Cassini spacecraft in 2016

NASA/JPL-Caltech/Area Science Institute

The rings of Saturn might be a lot older than beforehand thought and should have shaped across the similar time because the planet, in line with a modelling examine. However not all astronomers are satisfied, and a researcher who was a part of a workforce that calculated Saturn’s rings to be comparatively younger argues that the brand new work doesn’t change their findings.

For many of the twentieth century, scientists assumed that Saturn’s rings shaped together with the planet, some 4.5 billion years in the past. However when NASA’s Cassini spacecraft visited Saturn in 2004, it discovered that the rings appeared remarkably freed from contamination from small area rocks, generally known as cosmic mud. This pristine look indicated they have been far youthful, with an estimate in 2023 placing them at between 100 and 400 million years old.

Now, Ryuki Hyodo on the Institute of Space and Astronautical Science in Japan and his colleagues have calculated that Saturn’s rings needs to be way more immune to cosmic mud air pollution than beforehand thought, so may preserve a clear look for a very long time. Hyodo and his workforce haven’t calculated a brand new age for the rings, however recommend that they might be as previous because the planet, as astronomers used to imagine.

Hyodo and his colleagues first simulated how high-speed cosmic mud, accelerated by Saturn’s gravity, would smash into the rings. They discovered that the collision would create such excessive temperatures that the impacting mud needs to be vaporised. This vapour, after spreading out in a cloud, would then condense into charged nanoparticles, just like particles that Cassini has noticed.

The researchers then modelled how these particles would transfer by way of Saturn’s magnetic discipline, and located that solely a small proportion would settle onto the rings, with most being pulled into Saturn’s ambiance or shot again into area. “The effectivity of accretion by Saturn’s rings is only some per cent, which is far, a lot smaller than beforehand assumed,” says Hyodo. This might prolong earlier estimates of the ring age by a whole bunch of tens of millions to billions of years, he says.

Sascha Kempf on the College of Colorado Boulder, a member of the workforce that calculated the sooner, a lot youthful estimate for the age of Saturn’s rings, says that he and his colleagues used a extra complicated technique than simply the ring air pollution effectivity, contemplating how lengthy it takes for materials to reach on the rings and disappear. The worth calculated by Hyodo and his colleagues shouldn’t change the general findings for the age, says Kempf. “We’re fairly sure that this isn’t actually telling us that we’ve got to return to the drafting board.”

However Hyodo argues that the decrease air pollution effectivity ought to dramatically change the age. “They assumed 10 per cent effectivity, we reported 1 per cent. You see from the equation that it turns into 1000 million years, or a billion years.”

Kempf additionally says that the brand new simulations assume that Saturn’s rings are made from strong ice particles, whereas the rings are literally made from softer particles of many extra sizes than are modelled within the examine. “When you shoot particles in these relatively complicated, softer constructions, the result of such collisions will probably be very completely different,” he says.

Hyodo argues that this assumption is normal for a lot of comparable research. “No one is aware of what the impact of various ice is,” says Hyodo. “It may additional cut back the effectivity or perhaps not.”

Lotfi Ben-Jaffel on the Paris Institute of Astrophysics in France, who wasn’t concerned in both age-estimation effort, says the brand new work means that the rings aren’t as younger as has been claimed lately. “It represents a optimistic step towards the lacking modelling effort required to correctly deal with the elemental drawback of the formation and evolution of a planetary ring system,” he says.

Nevertheless, Hyodo and his workforce nonetheless want to enhance their modelling to raised estimate the rings’ air pollution in order that they’ll work out their age extra exactly, he says.

Matters:



Source link

Tags: olderringsSaturnsthought
Share30Tweet19

Recommended For You

China’s Tianwen 2 asteroid-sampling spacecraft snaps a selfie with Earth

by Chato80
October 2, 2025
0
China’s Tianwen 2 asteroid-sampling spacecraft snaps a selfie with Earth

Smile! A spacecraft simply caught you — and everybody else on our planet — on digicam whereas snapping a selfie.China's Tianwen 2 spacecraft took an image of itself,...

Read more

Rogue planet beneficial properties 6 billion tonnes per second in report progress spurt

by Chato80
October 2, 2025
0
Rogue planet beneficial properties 6 billion tonnes per second in report progress spurt

Artist’s impression of Cha 1107-7626, a rogue planet about 620 gentle years awayESO/L. Calçada/M. Kornmesser A ravenous rogue planet has been caught consuming 6 billion tonnes of gasoline...

Read more

Devoted beginner discovers supernova in distant galaxy

by Chato80
October 2, 2025
0
Devoted beginner discovers supernova in distant galaxy

Filipp at his laptop computer. Credit score: Filipp Romanov. Astronomy is more and more changing into an internet affair. Current discoveries of interstellar Comet 3I/ATLAS and R2 SWAN...

Read more

Measuring Earth’s Wobble With out Wanting on the Stars

by Chato80
October 1, 2025
0
Measuring Earth’s Wobble With out Wanting on the Stars

Most individuals are aware of the truth that the Earth spins on its axis as soon as day by day. The spin nonetheless, isn’t as regular as you...

Read more

European House Company and Korea AeroSpace Administration embark on new cooperation

by Chato80
October 1, 2025
0
European House Company and Korea AeroSpace Administration embark on new cooperation

Company 01/10/2025 368 views 6 likes The European House Company and the Korea AeroSpace Administration (KASA) have introduced they'll work collectively on peaceable makes use of of house,...

Read more
Next Post
Dragon Cargo Spacecraft Leaves Station Packed With Science – Area Station

Dragon Cargo Spacecraft Leaves Station Packed With Science – Area Station

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Browse by Category

  • Alien
  • Astronomy
  • NASA
  • Space
  • Space Flight
  • UFO

Recent News

China’s Tianwen 2 asteroid-sampling spacecraft snaps a selfie with Earth

China’s Tianwen 2 asteroid-sampling spacecraft snaps a selfie with Earth

October 2, 2025
The JWST Spies The Uncooked Supplies For Exomoons

The JWST Spies The Uncooked Supplies For Exomoons

October 2, 2025
Did 3I/ATLAS spark the 1977 ‘Wow Sign’? Similar area, simply days aside

Did 3I/ATLAS spark the 1977 ‘Wow Sign’? Similar area, simply days aside

October 2, 2025
Rogue planet beneficial properties 6 billion tonnes per second in report progress spurt

Rogue planet beneficial properties 6 billion tonnes per second in report progress spurt

October 2, 2025
Practically invisible asteroids round Venus may threaten Earth — however don’t fret, not for some time

Practically invisible asteroids round Venus may threaten Earth — however don’t fret, not for some time

October 2, 2025
Devoted beginner discovers supernova in distant galaxy

Devoted beginner discovers supernova in distant galaxy

October 2, 2025
  • DMCA
  • Disclaimer
  • Privacy Policy
  • Cookie Privacy Policy
  • Terms and Conditions
  • Contact us
INTER SPACE SKY WAY

Copyright © 2023 Inter Space Sky Way.
Inter Space Sky Way is not responsible for the content of external sites.

No Result
View All Result
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy

Copyright © 2023 Inter Space Sky Way.
Inter Space Sky Way is not responsible for the content of external sites.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In