Hello! I just want to start off by saying that I am no physicist or astronomer, so my apologies if my questions are really basic lol (although I am an engineer so I do have some technical background). I am very interested in it though, and I had some questions that I was hoping someone could clear up! Thanks in advance for any information provided! 1. I have read that if an object falls into a black hole, then to an outside observer it will appear to take an infinite amount of time to reach the event horizon and always appear to be outside of the black hole. My question is, if this is true, then why do we not see a huge amount of matter surrounding black holes? (I assume we don't since I have never seen any mention of it) Is it that our telescopes are not powerful enough to observe it directly, or perhaps some other reason? 2. I'm a bit confused about time and velocities when all of that time dilation and length contraction stuff is involved. Lets say that we are sitting here on earth and some rock that starts on earth begins moving at like .9999*c away from us. In a year's time on earth, will the rock have moved 1 light year away from us from our perspective? Or would that be from the rock's perspective? I hope that this makes sense, to phrase it another way: if we were on that rock rather than earth, would it take us 1 year to go 1 light-year away from earth, or would it take a shorter amount of time? 3. I have heard that galaxies at the far end of the universe are moving away from us at speeds greater than the speed of light, and I was just curious if there is a basic explanation as to why this is possible without violating any theories?