0
postorbital bar
The Cassini Division is a large gap that is visible from Earth, and it is produced by an orbital resonance with the moon Mimas.
Thier is a total of Seven orbits per atom.
octopus engineering
o-ring
orbital
orthogonal
ohms
odammit
overclocking
optocoupler
oxide
1 in the 4s orbital, 19 electrons in all (K has an atomic number of 19)