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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.
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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
Why are the inner planets formed from rock and metal?
The early solar system comprised of a disk of gas which was hot near the newly formed protosun (about 2000 degrees Kelvin) and cooler at further distances. Rocky substances condensed at the higher (inner) temperatures, while icy substances condense at much lower temperatures further out (about 200 degrees Kelvin) and hydrogen and helium at lower temperatures still - just above absolute zero. So in the early stages, the inner solar system was rocky, while the planets forming in the outer regions of the solarsystem were made from (and accumulated) ice and gas. Things have pretty much remained this way since.
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What does rr mean eg fireblade rr?
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What does granite rock mean?
What does mantle mean
What is the key difference between a protosun and a sun?
what is the key difference between a protosun and the real sun?
What do the largest clumps surrounding the protosun begin to form?
what do the largest clumps surrounding the protosun to begin to form
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 theory suggests that protoplanets began to form around the protosun from many collisions and combinations of gas and matter?
Nebular
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.
When did the protosun become the sun?
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.
Why is protosun not a star?
AnswerA proto star hasn't accumulated enough mass for the thermo-nuclear reacton to start, which would make it a star.To add to the above answer, most of the light that a protostar produces is due to the pressure from gravity. -Phil
Step by step of nebular hypothesis?
1) The solar nebula collapses; 2) The Spinning Nebula Flattens; 3) Condensation of Protosun and Protoplanets; 4) Massive expanding gas clouds; 5) Planetesimals collided and grew with other bodies; and 6) Nebulous clouds form.
What are the steps of the nebular theory?
The steps of the Nebular Theory consist of: The collapse of the nebula and formation of the protoplanetary disk and protosun. The condensation of planetessimals. The Accretion of planetessimals to form planet seeds. The Formation of Jovian planets through nebular capture and the solar wind of young sun clears away the remaining gas.
How did Saturn form?
Saturn likely formed from a spinning disk of gas and dust surrounding the young Sun about 4.6 billion years ago. Gravity caused the material in the disk to clump together and form rocky and icy planetesimals that eventually grew into Saturn.
