If I flew over to a the nearest black hole with the Hubble scope on a trailer (cough), how would the performance of the scope differ from current, particularly with regards to observing extremely distant objects.
In particular, when time dilation becomes extreme as my orbit of the BH nears...
Hey, maybe you can answer this question I've long had: in any of these multiple contingent path scenarios, what counts as detection? What are the characteristics of a detector or of the detection interaction that distinguish it from, say, a photon going through a half-silvered mirror and hitting...