3 ms·
The gas is so not-dense that it's particles effectively never collide, so its acceleration never really changes, so it never radiates.
by throwaway2048 6y ago
The gas is so not-dense that it's particles effectively never collide, so its acceleration never really changes, so it never radiates.
- a1369209993 6y agoFor some reason this (along with piannucci's explaination) really helped it click for me - while the gas has a very high blackbody spectrum temperature, emitting hard radiation when it's particles collide at high speed, it effectively has very little surface area from which to emit that blackbody radiation.
- deleted 6y ago[deleted]