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But planets would survive the roasting, would they not? Why couldn't they develop life afterwards?

• pfdietz 3y ago
  They'd have lost all their water, for one thing.
  • dredmorbius 3y ago
    Good point, though might they not regenerate this over time? I can see a few possible mechanisms: The planets would have lost surface and crustal water, probably, but might have considerable subterranian water, which might work its way to the surface through tectonic activity. There could be ongoing water accumulation through comet and asteroid impacts from objects more remote in the solar system. Given that dwarf stars have a quite consolidated habitable zone, "remote" might be far closer in than in our own solar system. Water could be generated through chemical action of oxides (e.g., silicates and ferrites) with hydrogen. Hydrogen itself might arrive via the solar wind. Timescales for dwarf stars are immense, so processes which were consolidated into a few tens or hundreds of millions of years on Earth might well occur over tens, hundreds, or thousands of billions of years on a dwarf-star planet. Even slow processes (e.g., hydrogen deposition mentioned above) could contribute substantial mass over time.