An explosion that occurs at the end of a massive star's life is a ___ ?
A _ is a large cloud of gas and dust in space.
A low- or medium-mass star becomes a __ at the end of its life.
A _ appears to emit regular bursts of radio waves.
A _______ forms from the leftover material from a supernova; it may contain as much as three times the mass of the sun.

Question

13-10-2014
Chemistry

Answered

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An explosion that occurs at the end of a massive star's life is a ___ ?
A _ is a large cloud of gas and dust in space.
A low- or medium-mass star becomes a __ at the end of its life.
A _ appears to emit regular bursts of radio waves.
A _______ forms from the leftover material from a supernova; it may contain as much as three times the mass of the sun.

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