What are stars made of?
a. gases, primarily hydrogen, then helium
b. nothing but light and energy
c. trick question - we really don't know
d. pretty much the same as earth, but with a special shell
e. they're fireflies stuck in the big blue/black thing 2. what provides the energy (and so light and heat) of a star?
a. gravitational contraction
b. lots of electricity
c. atomic energy/nuclear reactions
d. continual explosions
e. chemical reactions at the surface?
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