4 ms·
I think they mean 4π steradians (unit of solid angle covering the surface of a sphere), not 360° (unit of angle, covering the circumference of a circle).
by lambda 13y ago
I think they mean 4π steradians (unit of solid angle covering the surface of a sphere), not 360° (unit of angle, covering the circumference of a circle).
- NickNameNick 13y agoLearn something everyday, I've wanted to express that concept before, and never even wondered if there was a word for it. Of course, If I use it I'll have to define it much like you just did.