The Dismal Future of Interstellar Travel
Category: SCIENCE
I have been an avid science fiction reader all my life, but as an astronomer for over half my life, the essential paradox of my fantasy world can no longer be maintained. Basically, science tells us that traveling fast enough to make interstellar travel possible requires more money than society will ever be able to invest in the attempt.
By Dr. Sten Odenwald, ContributorAstronomer, NASA Heliophysics Education Consortium, 2014-10-15