Secrets of space Speed of light National Geographic Documentary 2016 HD

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1. Lots of talk about Interstellar Space Travel . Though it may not be settled science . It's just one of those things that will Never happen . The Problems and distance's are more than simply huge . Many are simply impossible to overcome . So , lets just gather the Tech necessary to explore our own backyard . Which should consume us for at least the next 1500 years or so . And leave the Interstellar Space Travel to the Aliens .
2. old and NOT HD
3. If we are seeing Andromeda as it was 2.5 million years ago, and it is moving towards us, we are not seeing where it is now relative to us. Also, we must take into account the acceleration of gravity as Andromeda moves towards us. Andromeda could be closer to us than we think.