Uploaded November 2021 | Updated September 2026, 2 weeks ago
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Five billion years ago, a giant cloud floated in one of the spiral arms of the Milky Way galaxy. This cloud, called a nebula by astronomers, was made up of dust and gas, mostly hydrogen and helium, with a small percentage of heavier atoms.
These heavier atoms had been formed earlier in the history of the Universe when other stars aged and died. This cloud/nebula began to contract, collapsing in on itself. The atoms, once separated, began to jostle each other, generating heat.
In the rising heat, the atoms collided more frequently and more violently. Eventually, they reached a temperature at which the protons at the centre of the atoms began to fuse, in a process called nuclear fusion.
As they did, a tiny bit of matter transformed into a whole lot of energy, and a star was born. In this way, our Sun came into being.
Tags :-
#scienceofspace #star #starformation
SUBSCRIBE & Press the BELL ICON to get the latest updates
about all the upcoming videos!!
Five billion years ago, a giant cloud floated in one of the spiral arms of the Milky Way galaxy. This cloud, called a nebula by astronomers, was made up of dust and gas, mostly hydrogen and helium, with a small percentage of heavier atoms.
These heavier atoms had been formed earlier in the history of the Universe when other stars aged and died. This cloud/nebula began to contract, collapsing in on itself. The atoms, once separated, began to jostle each other, generating heat.
In the rising heat, the atoms collided more frequently and more violently. Eventually, they reached a temperature at which the protons at the centre of the atoms began to fuse, in a process called nuclear fusion.
As they did, a tiny bit of matter transformed into a whole lot of energy, and a star was born. In this way, our Sun came into being.
Tags :-
#scienceofspace #star #starformation
