Cheap Astronomy - Dear CA #119: Out There!

Space travel or the lack thereof.


Hosted by Steve Nerlich.


Dear Cheap Astronomy – Interstellar trade


As regular listeners are aware, here at Cheap Astronomy, we think
faster than light travel just ain’t going to happen. That limits
your trade options a good deal if our potential alien trading
partners are anywhere up to a hundred light years or more away.


 


Dear Cheap Astronomy – Why aren’t we doing more with artificial
gravity


Good question. As we’ve discussed on this podcast and as others
have discussed on pretty much every space-related podcast there
is, zero gravity – OK, microgravity – is really bad for you. Your
bones dissolve, your muscles wither, your cardiovascular system
is deconditioned, your eye geometry changes and if that’s not bad
enough your face gets all puffy too.


 


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