Definition of supernova and nebla
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Definition of supernova and nebla

[From: ] [author: ] [Date: 11-12-20] [Hit: ]
(A planetary nebula is a shell of gas expanding away from a recently formed white dwarf.)-A supernova is when a star in the solar system explodes.......
When the iron core of a super massive star implodes, the rebound is what we see as a supernova.

A nebula is a cloud of dust and gas in a galaxy. There are two main types, a reflection nebula and an emission nebula. (A planetary nebula is a shell of gas expanding away from a recently formed white dwarf.)

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A supernova is when a star in the solar system explodes.
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