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How does nuclear decay contribute to the process of unstable nuclei achieving greater stability?
Nuclear decay is a process where unstable nuclei release energy or particles to become more stable. This helps unstable nuclei achieve greater stability by reducing their excess energy or changing their composition to reach a more balanced state.
What happens to hydrogen atoms at a very high temptatute?
At very high temperatures, hydrogen atoms can undergo nuclear fusion to form helium. This process releases a large amount of energy and is the same process that powers stars. In extreme conditions, hydrogen atoms can also become ionized, meaning they lose their electrons.
What caused the failed star Jupiter to not ignite and become a fully-fledged star?
Jupiter did not become a star because it lacks the mass needed to sustain nuclear fusion in its core. Stars need a certain amount of mass to generate enough pressure and heat for nuclear fusion to occur, and Jupiter's mass is not sufficient for this process to take place.
Elementary become radioactive when the repulsive strong nuclear force overcomes the attractive electrostatic force?
When the repulsive strong nuclear force overcomes the attractive electrostatic force within an atom's nucleus, this can cause the atom to become unstable and radioactive. The imbalance leads to the emission of particles or energy in order to achieve a more stable configuration. This process is known as radioactive decay.
What is meant by supercritical and how does it relate to making a nuclear bomb?
A subcritical mass cannot sustain a nuclear chain reaction, it dies exponentiallyA critical mass can sustain a nuclear chain reaction, but it remains constant neither increasing nor decreasingA supercritical mass not only sustains a nuclear chain reaction but it increases exponentially until the mass explodesA nuclear fission bomb must become supercritical at some time in order to explode.
What is the force that turns a nebula into a protostar?
The force that turns a nebula into a protostar is gravity. As regions within a nebula become denser due to slight fluctuations in density, gravity pulls the surrounding gas and dust inward, causing the material to clump together. This process leads to the formation of a protostar as the collapsing material heats up and begins to accumulate mass. Once the temperature and pressure in the core become sufficient to initiate nuclear fusion, the protostar evolves into a main-sequence star.
When a protostar rises to 10000000 degrees celsius will a protostar become a star before or after nuclear fusion?
A protostar must reach about 10 million degrees Celsius for nuclear fusion to start in its core, triggering the transition into a true star. This marks the point where hydrogen atoms begin fusing into helium, releasing energy in the process. So, a protostar will become a full-fledged star after nuclear fusion begins at this temperature.
When does a protostar become a star?
The basic idea is that the protostar contracts, under the influence of gravity, until it gets dense and hot enough to undergo nuclear fusion. You can find more details at the Wikipedia article "Protostar".
If a protostar doesn't undergo a nuclear fusion what will it turn into?
If a protostar does not undergo nuclear fusion, it will not become a star. Instead, it will either become a brown dwarf, which is a failed star that lacks the mass to sustain nuclear fusion, or it will simply cool down into a cold, dense object known as a sub-stellar object.
When does the protostar become balanced?
A protostar becomes balanced when the gravitational forces pulling matter inward are balanced by the outward pressure due to nuclear fusion at its core. This marks the transition from a contracting protostar to a stable star in the main sequence phase of its lifecycle.
What type of fuel does a protostar burn?
A protostar does not burn fuel as it is still taking part in nuclear fusion. It is, however, preparing to become a main sequence star, and will then burn mostly hydrogen at that stage.
A protostar becomes a star when?
A protostar becomes a star when nuclear fusion begins in its core, converting hydrogen into helium and releasing energy. This process generates enough heat and pressure to balance the force of gravity, causing the protostar to shine brightly as a star.
What happens when ahuge clouds of dust and gas begin to collapse?
When a large cloud of dust and gas begins to collapse due to gravity, it can undergo a process called protostar formation. As the cloud collapses, it heats up and starts spinning, eventually forming a dense core at its center. This core will continue to accumulate material and eventually become hot and dense enough to initiate nuclear fusion, becoming a star.
Do prostars become stars?
The term is "protostar", not "prostar". Yes. A protostar is an early stage of a star.
What is the difference between the protostar and the white dwarf?
A protostar is a young star in the early stages of formation, where nuclear fusion has not yet begun. A white dwarf is a small, dense star that is the remnant core of a low to medium mass star after it has exhausted its nuclear fuel.
How does a nebula produce a star?
A nebula, primarily composed of gas and dust, can produce a star through the process of gravitational collapse. As regions within the nebula become denser, gravity pulls the material together, leading to the formation of a protostar. As the protostar continues to accumulate mass, its core temperature rises until nuclear fusion ignites, marking the birth of a new star. This process can take millions of years, depending on the size and density of the nebula.
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".
