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Match it! Select the correct answer from the pull down...Good luck!
What is the most abundant element in the universe?
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
What is the secondmost abundant element in the universe?
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
What round object is formed when gas and dust are pulled together by gravity, but before nuclear fusion has begun?
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
Approximately how old is the Sun?
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
In nuclear fusion reaction, the mass of the products is less than the mass of the reactants. What happens to this "missing mass"
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
What do most stars originally form as?
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
When does a star reach equilibrium?
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
What round object is formed when gas and dust are pulled together by gravity, but before nuclear fusion has begun?
It turns into energy
protostar
4.6 billion years
when gravity is balanced by the outward force of nuclear fusion
protostar
He
H
binary stars or multiple stars
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