Sun

Corona The outer layer of
the sun's
atmosphere Chromosphere The middle layer
of the sun's
atmosphere Photosphere The inner layer of the
sun's atmosphere that
gives of visible light; the
sun's surface Sunspot A dark area of gas on
the sun's surface that
is cooler than
surrounding gas Solar Flare An eruption of gas
from the sun's suface
that occurs when the
loops in sunspot
regions suddenly
connect Prominence A huge loop of gas
that protrudes from
the sun's surface
linking parts of
sunspot regions Convection Zone The outer most
layer of the
sun's interior Radiation Zone The region of tightly packed gas in the sun's interior where energy is transferred in the form of light How the Sun Produces Energy NUCLEAR FUSION During nuclear fusion, two atomic nuclei collide and fuse The Sun