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What causes interstellar dust and gas to start to contract and form a protostar?
A protostar forms when gravity pulls the dust and gases in a nebula together.
When does a protostar becomes a main sequence star?
As the gases in a protostar begin to collapse, the central core begins to heat up due to pressure. As more gases are absorbed, the greater the pressure. Once the temperature of the core reaches 10 million degrees K, hydrogen fusion begins, and the star begins it's life on the main sequence. The star will stay on the main sequence whilst it still has hydrogen to fuse. Once all the hydrogen has been used, the star will drop out of the main sequence. Protostar stage in the stellar evolution. [See related question]
The earliest stage of a stars life is called a?
A Protostar.
What did the planets in our solar system form from?
Planets can be formed from nebular gases and dusts around a protostar or from the cooling of small stars.
What is the definition of a low mass proto star?
a low mass protostar is the begining formation of a low mass star. a low mass protostar is formed by a nebula (stellar nursery), like a cloud in space, where all stares come from. the definition of protostar is: a collection of gas, and dust who`s gravitational pull is causing it to collapse on itself & form a star. a LOW MASS protostar just has a LOWER MASS then a HIGH MASS protostar. Your Welcome:)
What is the differences of a protostar and a white dwarf?
A protostar is a star that is still forming and has not yet started a sustained fusion reaction. All the heat is the result of gasses being compressed. A white dwarf is the remnant of a dead star that has exhausted its fuel and is much smaller and denser than a protostar.
How is a protostar created?
Sometimes. If the total mass is high enough, and if the cloud of dust and gas collapse to reach a high enough density and pressure, nuclear fusion can begin in the core and it will become a star. If the total mass is not high enough, it may collapse into a "brown dwarf".
Are protostar a star?
A protostar is more like a stage previous to a star - before it ignites.
What is the life span of protostar?
A protostar takes about 100,000 years to reach the main sequence.
Do prostars become stars?
The term is "protostar", not "prostar". Yes. A protostar is an early stage of a star.
Was the Sun a protostar about a million years ago?
No. The sun was a protostar about 4.6 billion years ago.
What is the temperature of a protostar?
the color of the protostar is red
