#astrodynamics

When I got to this part of the episode, I was thinking, ‘Wow, the astronomy community’s going to be a mess after this...’

Humans have this really complicated system of inserting leap days (once every 4 years except it’s a multiple of 100 unless again if it’s a multiple 400 years) just because the Earth takes like a quarter of a day longer than 365 days to go around the Sun.

And we insert an extra leap second every couple of years or so just because the Earth takes like 2 milliseconds longer than 86400 seconds to spin on its axis.

Getting to the Moon is a lot of first steps, but isn’t getting there half the fun, or is it most of the work..? For the Lunar Economy to work, we first need the infrastructure and contractual laws of use to be agreed upon. This interview with Dr. Aaron Rosengren explains the astrodynamics of cislunar and translunar space. The Astrodynamics Primer on Cislunar and Translunar Spacea detailed…