HOW ARE STARS MADE?
Published on Dec 09, 2015
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HOW ARE STARS MADE?
Photo by Sergiu Bacioiu
Stars are made up of the two lightest elements known to humanity, helium and hydrogen.
Photo by Roanish
The stars are mainly made up of gas, when the gas is drawn inwards it forms a clump that is called a protostar.
Photo by cfaobam
When this protostar reach a heat of 7 million kelvins the hydrogen supply will start burning. That's called a nuclear fusion.
Photo by geckzilla
Once the stars get older their hydrogen supply runs out and
they become supergiants.
Photo by davedehetre
Stars are classed differently depending on their age, the oldest kinds of stars is called red supergiants.
Photo by Hubble Heritage
