this post was submitted on 03 Sep 2024
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Doesn't "solar wind" refer to the physical particles emitted from the sun? Like hydrogen, helium, etc ejected from the sun's outer layers?
My understanding is that the solar sail is propelled mostly by the photons themselves, not the atomic particles that may also be reaching it.
Of course this probably doesn't change your argument at all, since the intensity of light drops off precipitously as you fly further and further from the sun.
You're correct, the solar wind is like .5% the energy of the emitted photons and really begins to diminish after only 1.5AU, so they're even less effective in system without a laser array than I half remembered.