As that ball of ice gets close enough to the Sun, its heat begins to melt some of the ice that makes up the comet.
(that ball of ice; gets; close enough to the Sun) (its heat; begins; T:As that ball of ice gets close enough to the Sun) (its heat; to melt; some of the ice) (the ice; makes up; the comet)
that ball of ice its heat its heat the ice
gets begins to melt makes up
close enough to the Sun
T:As that ball of ice gets close enough to the Sun
some of the ice
the comet