Rebel Pilot (patheticliform) wrote in little_details,
Rebel Pilot

Astrophysics in sci-fi

So I've been trying to work this out on paper for the past few days, and I'm not sure if this is quite correct. The gist of it is there is a planet (Quoirca), a moon (Moquat), and a star. People live on both the planet and the moon, and I'm trying to come up with some sort of calendar that those who evolved on the moon would have developed. For those of you who understand astrophysics and lunar movements etc. better than me, any imput would be greatly appreciated. Thanks in advance.

On Moquat we have solar days, which are represented by the time it takes us to rotate around our own axis; terrestrial years, which is how long it takes us to revolve around Quorica; and solar years, which is how long it takes Quorica to revolve around our sun, taking us with it. We have five solar days and nine terrestrial years in one solar year. This grants us a true nights, where Quorica and the sun are both to the other side of the moon four times in a solar year; ecliptic nights, when Quorica blocks out the sun, four times in a solar year; and true days, when Quorica is to the other side of the moon and we face the sun, eight times in a solar year. These events are spaced evenly throughout the Solar year, but differ depending on where on the moon you are. So, it is when our capitol city, Moquarin, experiences them that our sixteen months begin and end. As is often the case, a city on the opposite side of the moon as our capitol, could experience a true night halfway through the month that was supposed to have been started by it. Each of these sixteen months is then divided into fifty somewhat arbitrary amounts of time loosely based on Moquan sleeping and waking cycles. Each of these cycles is then again somewhat arbitrarily divided into ten hours of one hundred minutes of one hundred seconds each.
Tags: ~science: astronomy

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