[ExI] The Great Silence again

[Kelly Anderson]

>> Shouldn't a relatively rigid, highly symmetric Dyson sphere stay in
>> position even without moving, since both gravity and light pressure
>> would work equally in all directions?

If you deployed sails on one side of the star, and folded the sails up
on the other side, wouldn't you get an effective trust from the
difference in light pressure? It might not be much acceleration, but
it seems like it would produce some.

-Kelly