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Comment Naw, not as far as I can tell... (Score 1) 146

As far as I can work out, no go, for the following reasons:

Firstly, the Sun is emitting photons in the wrong direction - you'd get a force exerted towards the Earth, not away from it.

Secondly, the force exerted by the photons striking the sail would probably be too weak to overcome the weight (i.e. m*g) of the whole system (the sails and the payload).

Thirdly, even if the force was enough to overcome the weight, you would have a huge opposing force from air resistance.

Not to mention the fact that the sails were designed for photons striking them; I don't think they'd hold up very well against trillions of nitrogen/oxygen/etc. molecules and dust particles =)

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