Starship Asterisk*

My question remains: would Carl Sagan, romanticist but first and always physicist, have approved these scenes of fictional science, worthy of Kelly Freas? I think he would have expected better science. John Given that Sagan himself was inspired, in part, by the science fiction stories of life on ot...

That video used Carl Sagan's voice, but would he have approved of it's physics content? 1/ Jumping off a high cliff on a low gravity body. Yes, you float down as shown. But gravity is gravity and mass is mass. If your fall was as far as shown, you would still be travelling quite fast at the bottom,...