The other day, I did a post on interstellar exploration which linked to one by Sten Odenwald on the problems with interstellar travel. Well, he posted some follow-up remarks, expressing some surprise at the response, doubling down on the aspects of the limitations of interstellar travel he identified, and urging people to be optimistically realistic. (I predict he'll get … Continue reading The movie ‘Interstellar’ and wormholes
Day: November 6, 2014
Half the stars in the universe may exist outside of galaxies
Every so often you get a reminder of how little we know about the universe: Rogue stars outside galaxies may be everywhere | Science/AAAS | News. You’ve heard of rogue planets, floating through the universe untethered to any solar system. Now meet rogue stars, which drift through space with no galaxy to call home. A new … Continue reading Half the stars in the universe may exist outside of galaxies
SelfAwarePatterns 