You’d have to. Anyone who mountain bikes regularly knows how much work it is to climb some trails with 500% gear range. I can’t imagine the work involved with a single gear to climb on some trails. Brutal.
I hope he starts making What If?'s about things he hasn’t covered in his comic. This video was essentially the spent nuclear fuel pool comic in video form, including the joke at the end about being shot.
Pluto-charon shouldn’t count since it is more akin to a binary planetary system than a planet-moon system. Charon and Pluto are so close in size that the system has a barycenter outside of Pluto. This means instead of Charon orbiting a point inside Pluto, Charon and Pluto orbit a point about 800 km above Pluto’s surface.
This is not based on mass but on volume. For example the moon is only 1% of the earth’s mass yet considerably less dense therefore it makes a thicker layer.
This is incorrect. The moon is moving away from the earth and will stop. At some point in the future the tidal forces will balance out and the earth-luna system will be tidally locked. From that point on they will remain locked in orbit neither moving away or towards one another unless some other large gravitational force perturbs them (e.g. an extra solar planet wandering through the solar system and passing by earth-luna).
