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No our Sun is a fully formed Star. A Protostar is gas that is still acreeting matter (still collecting via gravtaional rotation) to form a star. And as a result they are not very bright as they have not condensed enough to start Nuclear Fusion.

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13y ago
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10y ago

When nuclear fusion reactions began at its center.

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10y ago

What did the protosun form from

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Q: When did the protosun become the sun?
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Related questions

What is the key difference between a protosun and a sun?

what is the key difference between a protosun and the real sun?


Which term means Sun in the making?

Protosun


What is the difference between a sun and the protosun?

The protosun has not fully "ignited" meaning nuclear fusion is not stably providing the energy output of the star. Once ignition takes place, the central core of the sun will produce energy almost exclusively through fusion, creating enough energy and radiation to slowly wash away the nebulous gas surrounding the protosun revealing the sun itself.


What name is given to the concentration of mass that formed at the center of the solar nebula and eventually became the Sun?

The Protosun


What set off ongoing Nuclear Fusion in the sun?

Heat, derived from gravitational energy. The gravitational collapse of the original nebula of gas and dust produced very high temperatures and a "protosun". Eventually the protosun became a star (our Sun) when the nuclear fusion reactions began at temperatures of millions of degrees Celsius.


What do the largest clumps surrounding the protosun begin to form?

what do the largest clumps surrounding the protosun to begin to form


What does protosun mean?

A protosun is a sun (star) that is still forming. It takes millions of years of solar winds and gravitational forces to gather and compress massive clouds of hydrogen to the point where it's gravity is powerful enough to cause nuclear fusion at it's core and "ignite" a new star.


Will the sun become a black hole one day?

No. The sun does not have enough mass to become a black hole. When the sun dies it will become a white dwarf.


What is the sun become extinct?

The sun is not alive, only living specis can become extinct.


The eventual fate of our sun is to become what?

The eventual fate of our sun is to become a White Dwarf.


What theory suggests that protoplanets began to form around the protosun from many collisions and combinations of gas and matter?

Nebular


Can our sun become a neutron star?

No. it is not massive enough. When the sun dies it will become a white dwarf.