> On Apr 6, 2016, at 2:46 PM, Kurt Feltenberger <xxxxxx@thepaw.org> wrote:
>
> This question touches on the known and theoretical...
>
> Are there any particles or emissions, however faint, known or theorized, that would allow a sufficiently sensitive sensor to detect a nuclear detonation (actually, enough to destroy all civilization on a world of ~7+ billion people in a day) at interstellar distances either as it happened or within a short (less than a week or so) period of time?

No. nothing in real space moves faster than light in a vacuum, so nothing would be detectable at ‘interstellar’ distances at anything less than ‘365 days * d in light-years’. Even gravity waves only move at c.

--
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs