11/15/99
Norm Herr (sample file)
SUN
¥75% hydrogen and 25% helium by mass
¥Sun converts hydrogen to helium in its core
¥Differential rotation
Ðequator the surface
rotates once every 25.4 days
Ðnear the poles it's as
much as 36 days
¥Core conditions
Ðtemperature is 15.6
million Kelvin
Ðpressure is 250
billion atmospheres