5 ms·
The issue is that when the core cools too much it will cease to be magnetic, and then solar radiation strips the atmosphere. But it’s not a major concern, in t
by NineStarPoint 4y ago
The issue is that when the core cools too much it will cease to be magnetic, and then solar radiation strips the atmosphere.
But it’s not a major concern, in this case faster still means billion year time scales.
- u320 4y agoThe planet is expected to still be mostly molten by the time the sun swallows it, so there is a huge margin. I think people underestimate just how much energy there is down there.
- SoftTalker 4y agoAnd it's being replenished by nuclear decay. It's not just the original heat from the compression/collisions of material when the planet formed.
- mahkeiro 4y agoVenus doesn’t have an internal magnetic field and has a thicker atmosphere than earth.