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Basically size. A star is massive and fusion reactions are sustained for billions of years. We have a few experimental fusion research tokomaks and fusion has only been maintained for a few seconds. We have a long way to go before fusion powers our homes
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∙ 14y ago
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Difference between a star and a firefly?
A star is a gigantic flaming ball of gas fueled by nuclear fusion. A firefly is a small insect.
What is the difference between a star and a firefly?
A star is a gigantic flaming ball of gas fueled by nuclear fusion. A firefly is a small insect.
What is a fusion reaction also known as?
Since they do not exist yet I do not believe they have any other names. Fusion does exist in nature so a sun or star could be considered a fusion reactor.
What is a star and how are they classified?
A star is a large, naturally occurring fusion reactor. Stars are classified by size, content, heat, and position within life cycle.
What is the difference between a brown dwarf and a protostar?
A protostar is a star the is developing as is on the way to starting nuclear fusion. A brown dwarf is a failed star, one that failed to gather enough mass to start fusion.
What is the difference between a constellation and a star?
A constellation is a "man made" picture of something, depicted by the pattern of a number of stars. A star is a massive ball of hydrogen and helium, that is undergoing nuclear fusion.
What creates the heat and light in a star?
Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.
What is different between a star and a planet?
A Star converts hydrogen into energy by nuclear fusion. A planet does not
What re the phenomena involved about the sun?
Sun, you can say is a huge nuclear reactor in which a constant & rapid nuclear fusion takes place.Hydrogen is the basic constituent of any star which it use as a fuel for nuclear fusion to give higher elements with realease of energy due to mass defect. this, Fusion takes place all along the sun & hence enormous amount of energy is released.hence,nuclear fusion is the phenomena that keeps the star alive!
When a protostar rises to 10000000 degrees celsius will a protostar become a star before or after nuclear fusion?
through the process of fusion, it becomes a star: the birth of the star is the start of fusion. therefore, it is after fusion that it is classified as a star.
What difference of a star and a planet?
A star is a luminous ball of plasma held together by its own gravity and produce energy through thermonuclear fusion. A planet is a body orbiting a star massive enough to be rounded by its own gravity but not massive enough to conduct fusion.
How hot must the core of a protostar be to begin nuclear fusion?
When the core of a protostar has reached about 10 million K, pressure within is so great that nuclear fusion of hydrogen begins, and a star is born.
