[–] Bonechip 0 points 1 point 1 point (+1|-0) 3.9 years ago
https://spacemath.gsfc.nasa.gov/earth/3Page7.pdf
[–] Bonechip 0 points 1 point 1 point (+1|-0) ago
https://spacemath.gsfc.nasa.gov/earth/3Page7.pdf