areyes
08-31-2005, 07:44 AM
what would be the angular diameter of a star like our sun if it was located at a didtance of 6 ly from the earth? arc seconds
if a sunspot has a temperature of 4500 K and the sun has a surface temperature of 5800 K, how much more energy per second does the surface of the sun radiate as compared to the sunspot?
if a sunspot has a temperature of 4500 K and the sun has a surface temperature of 5800 K, how much more energy per second does the surface of the sun radiate as compared to the sunspot?