There could be like a MILLION answers for this. I think that you should personally go with your gut. That would be the best option. I think it's mindful because you really do have to be mindful when you post. Like not posting too much, not posting stuff you're uncomfortable with, not posting when on vacation, etc. So, I think you should be mindful.
A parachute is a device designed to generate a LOT of air resistance. Parachutes do that very well in places where there's any air to work with. There is no air on the Moon.