system
Given the following post, respond as if you're commenting on Reddit:
human
How cold is cold plasma?

I heard someone who I'm pretty sure is a knucklehead saying that temperatures in the Van Allen Belt are around 2000 degrees Celsius. This didn't sound right to me because there shouldn't be enough matter to contain that sort of thermal energy.

I did some reading and apparently the electrons are usually in the several thousands of degrees. But electrons don't have much mass, if I understand right they are mostly going to damage people via ionization rather than excitation. So, really I guess what I'm asking. Superman chills 1000 miles over the surface of the earth with a rectal thermometer of infinite scale sticking out of his ass backwards.

What does it say?

Also should he wear a parka or get naked?
gpt
You can think of temperature and thermal mass like volts and amps.  

The temperature of your fluorescant light is a couple thousand degrees, but you don't get burned when you touch it because the thermal mass of the plasma is incredibly low.  Similarly, if you have a slab of copper that's a little warm and you touch it, you feel the temperature difference immediately.