That is what I meant, NEAR (approaching) i misspoke in the first couple of sentences.
You are right, Carl Sagan did not speak about communication between the traveler and the observer. His statements on the effects of near lightspeed travel and time dilation got me thinking about how...
I would like to preface this idea by stating that I am a total noob and in no way have any right to be here haha.
I was just watching a show on the science channel "Carl Sagan's Cosmos". I am an avid viewer of basically anything on TV about the universe or physics in general. I find...