4 ms·
You need some kind of shutter that orbits the sun, which can be opened and closed rapidly to modulate the existing light. At least we can send the message that
by beamatronic 6y ago
You need some kind of shutter that orbits the sun, which can be opened and closed rapidly to modulate the existing light. At least we can send the message that we were here and you’re not alone.
- javajosh 6y agoI don't believe this is necessary. First, the construction of such a sphere is itself a kind of "blinking" - over time, imagine the stars blinking out, replaced by a dull red glow of infrared. Second, I believe it is possible to infer the existence of stars by gravity and other effects, such that it's lack of emitted light in the visible range would be a clue to an observer that they are, in fact, observing an artificial phenomena.