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How did the carbon get in the universe to form the nebulas?
Answer 1:

As far as CARBON...it is an element that gets made in the interior of stars (2 or 3 times more massive than the sun) by nuclear reactions. When massive stars get to the end of their luminous lifes they BLOW UP as giant SUPERNOVA spewing their guts into space. This is how elements heavier than Hydrogen and Helium get produced and distributed into interstellar space. Once in interstellar space, this carbon is available to be incorporated into A NEW CYCLE of star formation.

Answer 2:

If a star starts out large enough it will eventually explode (supernova), spraying a lot of its matter out into the surrounding area.Some of the remnants of this explosion might be collected to form new stars, planets, and maybe people.


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