Asked in The Sun
What is the atmosphere of the sun?
November 27, 2009 4:52PM
Corona the corona is the Sun's atmosphere,extending out several
million miles from the Sun's visible face,the photosphere despite
its extent,it is exceedingly faint,shining with only one-millionth
as much light as the photosphere.For this reason the corona is most
easily photographed during a solar eclipse,when the photosphere
blocked by the Moon.A capful of gas from the photosphere contains a
trillion times more gas particles than a cupful from the corona.
Only the Sun's outer layers, collectively referred to as the solar
'atmosphere', can be observed directly. There are distinct regions
to the solar atmosphere: the photosphere, the chromosphere, and the
corona. These three regions have substantially different properties
from each other, with regions of gradual transition between