[i]
aequinoctium, -ī [2/n]: equinox
- aequinoctiālis, -e: (pertaining to the) equinox; equinoctial
axis, -is [3/m]: axis
caelum, -ī [2/n]: sky; heaven
- caelestis, -e: heavenly; celestial
circulus, -ī [2/m]: [i] circle; [ii] orbit
eclīpsis, -is [3/f]: eclipse
gradus, -ūs [4/m]: [i] step, pace; [ii] degree
horīzon, -ntis [3/m]: horizon
sōlstitium, -ī [2/n]: solstice
spatium, -ī [2/n]: [i] space; [ii] distance, space between two points; [iii] period of time
[ii]
orbis, -is [3/m]: [i] circle, ring; [ii] rotation, circuit; [iii] the Earth, often written as:
- orbis terrārum (literally: the circle of lands)
globus, -ī [2/m]: any round object, a sphere, a globe
sphaera, -ae [1/f]: ball, globe, sphere
tellūs, tellūris [3/f]: [i] earth, ground, soil; [ii] the Earth
[iii]
ortus, -ūs [4/m]: rising (of heavenly bodies)
- ortus sōlis / lūnae: sunrise; moonrise
- sōl oriēns: rising sun
obitus, -ūs [4/m]: setting; occāsus, -ūs [4/m]: setting
- occāsus sōlis: sunset
- sōl occidēns: setting sun
