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red giant
white dwarf
"big finish"
100
iron
What is the heaviest element a star can make?
100
a white dwarf
what is the remaining core of a red giant called?
100
another star
What does a dwarf star gradually start taking hydrogen from?
200
helium
what element is burned after all of the hydrogen is burned?
200
a planetary nebula
What is the state where a red giant turns into a white dwarf called?
200
its companion star
what is the star that supplies the white dwarf with extra gases called?
300
the star contracts and must heat up
what must happen in order for the star to start burning helium?
300
0.6 times the size of our sun
How big is an average white dwarf?
300
too much pressure from the additional hydrogen
What causes a white dwarf to explode?
400
stelar winds
What causes the outer gases of a star to be dispersed and turned into a red giant?
400
gravity and internal combustion
what two elements are constantly fighting each other in order to maintain a white dwarf?
400
a super nova 1A
What is this final explosion called?
500
mercury and venus
if our sun was to turn into a red giant, what planets would its hydrogen shell obscure?
500
electrons
a cloud of what, inside a white dwarf, keeps it from exploding after all of its elements have been burned?
500
a black dwarf
What is the alternative way for a white dwarf to die that has never happened yet?