fueled
thermonuclear
reactions
center
convert
existed
present
state
hundred
larger
astronomers
predict
rest
core
shrink
hotter
surface
temperature
fall
higer
temperature
center
increase
rate
thermonuclear
reactions
regions
expand
approximately
distance
giant
temperatures
distance
giant
shrink
shrinks
huge
amounts
gages
violent
eruptions
nova
explosions
giant
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