31–40 of 65 posts
The Sun impresses me. So much energy to dish out, so little of that is taken by planet Earth yet it helped yield and maintain life. Now what will happen when that energy is taken away ...
Why would the sun’s energy be taken away?
The Sun impresses me. So much energy to dish out, so little of that is taken by planet Earth yet it helped yield and maintain life. Now what will happen when that energy is taken away ...
We still have our core There may be rogue planets out there sustaining life far from any star..
I managed to talk to them a few years back on my ham. They asked me to send them energy, I told them we'd need to figure out fusion energy first and that we'd get back to them next millenium.
This kind of observation is a big deal for solar physics. It's been believed for decades that these small-scale (~100km and below) turbulent features are critical to understanding how energy dissipates in the Sun. And thus, how sunspots and flares form. The subject has been very qualitative but is yielding on both observational and simulation fronts. I worked adjacent to this area from the 1990s-2010s, and it had bee…
This kind of observation is a big deal for solar physics. It's been believed for decades that these small-scale (~100km and below) turbulent features are critical to understanding how energy dissipates in the Sun. And thus, how sunspots and flares form. The subject has been very qualitative but is yielding on both observational and simulation fronts. I worked adjacent to this area from the 1990s-2010s, and it had bee…
Silly question but how does a 4m aperture focused onto a smaller area not concentrate the heat and melt the instruments?
Earlier quoted context omitted.
Obviously not based on DNA/RNA. I think it is pretty lacking in imagination to believe that DNA/RNA in liquid water is the only possible configuration of atoms that could make a self-replicating and evolving organism.
Imagination is great for writing science fiction but it doesn't change the laws of physics that make the sort of organization needed for life impossible. You write "configuration of atoms" but there's no such thing within stars.
It is a bit presumptuous to dismiss out of hand that this is the only possible island of complexity in the universe and there are not other sets of parameters with similar entropy-fighting characteristics.
Earlier quoted context omitted.
> The subject has been very qualitative What does this mean?
"Qualitative" means that the field had good conceptual theories, but didn't have sufficient observational and computational resolution to determine the detailed numerical values
This kind of observation is a big deal for solar physics. It's been believed for decades that these small-scale (~100km and below) turbulent features are critical to understanding how energy dissipates in the Sun. And thus, how sunspots and flares form. The subject has been very qualitative but is yielding on both observational and simulation fronts. I worked adjacent to this area from the 1990s-2010s, and it had bee…
> The subject has been very qualitative What does this mean?
seeing something new vs observing same stuff many many times to do statistics