User blog comment:USS Enterprise CVN-65/The New (And Improved) Official Roleplay Room/@comment-32153776-20161024195432/@comment-24787182-20161103131333

I mean, seriously, we (as in all of the human race) are capable enough to detect radiation spikes.

Plus Derp, I'm fairly certain scanners near Uranus pointed in the general direction of 2014 UZ224 can detect some sort of faint radar contacts. Look at this image from JPL: