← Back to context Comment by pfdietz 16 days ago It's going to hit gas that will slowly but inexorably sputter it to nothing. 11 comments pfdietz Reply jacquesm 16 days ago 'Slowly' is doing a lot of work there. We're talking about very large amounts of time. hdgvhicv 16 days ago Like 10^200 yearsIn 10^40 years it will barely have scratched the surface. Unless protons decay. pfdietz 15 days ago Estimates for sputtering of dust grains are much faster than this.Granted, there is also growth of dust grains. But surfaces from which atoms can be ejected by UV photons will erode.Some notes: https://www.astro.princeton.edu/~draine/dust/Draine_IPMU_Lec... jacquesm 16 days ago I'm imagining the sun going nova and the Voyagers surfing on that wave... 7 replies →
jacquesm 16 days ago 'Slowly' is doing a lot of work there. We're talking about very large amounts of time. hdgvhicv 16 days ago Like 10^200 yearsIn 10^40 years it will barely have scratched the surface. Unless protons decay. pfdietz 15 days ago Estimates for sputtering of dust grains are much faster than this.Granted, there is also growth of dust grains. But surfaces from which atoms can be ejected by UV photons will erode.Some notes: https://www.astro.princeton.edu/~draine/dust/Draine_IPMU_Lec... jacquesm 16 days ago I'm imagining the sun going nova and the Voyagers surfing on that wave... 7 replies →
hdgvhicv 16 days ago Like 10^200 yearsIn 10^40 years it will barely have scratched the surface. Unless protons decay. pfdietz 15 days ago Estimates for sputtering of dust grains are much faster than this.Granted, there is also growth of dust grains. But surfaces from which atoms can be ejected by UV photons will erode.Some notes: https://www.astro.princeton.edu/~draine/dust/Draine_IPMU_Lec... jacquesm 16 days ago I'm imagining the sun going nova and the Voyagers surfing on that wave... 7 replies →
pfdietz 15 days ago Estimates for sputtering of dust grains are much faster than this.Granted, there is also growth of dust grains. But surfaces from which atoms can be ejected by UV photons will erode.Some notes: https://www.astro.princeton.edu/~draine/dust/Draine_IPMU_Lec...
jacquesm 16 days ago I'm imagining the sun going nova and the Voyagers surfing on that wave... 7 replies →
'Slowly' is doing a lot of work there. We're talking about very large amounts of time.
Like 10^200 years
In 10^40 years it will barely have scratched the surface. Unless protons decay.
Estimates for sputtering of dust grains are much faster than this.
Granted, there is also growth of dust grains. But surfaces from which atoms can be ejected by UV photons will erode.
Some notes: https://www.astro.princeton.edu/~draine/dust/Draine_IPMU_Lec...
I'm imagining the sun going nova and the Voyagers surfing on that wave...
7 replies →