Nasa tests new huge booster rocket

I'm so pleased that space stuff is getting a lot of media attention at the moment - it'll be unbelievable if a manned mission to Mars comes off in our lifetimes!
 
Yeah i'd love that to happen too Ian. Even better to see the start of some sort of base or beginning of a generational ship leaving our solar system
 
If and when man settles on Mars and generations pass,what of the people who grow up on Mars.Will they evolve into a hybrid humans,with weak muscles? Would they ever be able to visit Earth,or would it`s gravity,not quite crush them,make it very uncomfortable for them to visit?
Just a thought.
historian
 
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