Viewing profile — Hop_David

Tyson's explanations are often wrong. Possibly the most inaccurate pop science celebrity who has every lived. Not remotely the same league as Richard Feynman.

Sagan's critics were wary of pop science. Would the need to entertain come before rigor and accuracy? And their fears were realized with Tyson. Possibly the sloppiest, most inaccur…

Tidal influence can keep an object oriented along the local vertical and keep the same face towards the primary. See, for example, Phobos. Or most the moons in our solar system. Th…

As others have mentioned, The Hermes didn't follow a Hohmann trajectory. It is an ion propelled craft capable of 2 mm/s^2 acceleration. A very weak thrust but powerful in that it c…