Thanks Dale! I did not understand everything on those pages, but I think I understand a little.
So, in framing my question above, I mistook rest mass for relatavistic mass (which I think is the rest mass plus the energy of its movement). Therefore, if a spaceship flies by a rock at the...
I haven't thought of physics since I was in college about 10 years ago (I am a biologist today). For some reason, however, last night when I was lying in bed I started thinking about general relativity. My mind settled on a question that caused me to loose several hours of sleep, and I don't...