3 ms·

Nothing wrong with a 28 km array though, if we can put it in space. Besides, what about dynamic aperture? I know very little about it, I only heard that a movi

• dredmorbius 10y ago
  You're going to want _both_ light gathering _and_ range. Keep in mind, a planet is probably going to be moving a lot over the course of a few hours. A 24 hour time-lapse of the Earth will give you a lot of pretty colours. But not much by way of a useful image. You're trying to see something tiny and dim a very long way away, next to something which whilst also tiny (relative to the Universe) is far, far, far brighter. A long-duration moving-apature exposure of a remote planet next to a dim star seems to me not to be an ideal candidate for high-quality imaging. I'm not sure a large-baseline, large-collector array would do much better, but at least it could narrow the time interval somewhat. (Though I think you're still basically going to end up with a glared-out, underexposed, blurred pixel.)