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In the case of the sun, we get the energy by radiation. In man-made fusion, which has not been achieved yet except for a very brief moment in an experimental facility, it is hoped to get the energy which will be emitted by the gaseous plasma. Theoretically, more energy should be released than is put in to start the plasma reaction. However the actual design of a working plant is not as far as I know established yet.

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Fission and fusion are examples of what?

Nuclear processes that can release large amounts of energy.


Why can't massive stars generate energy from iron fusion?

Massive stars cannot generate energy from iron fusion because iron fusion does not release energy, rather it absorbs energy. Iron is the most stable element, and fusion of iron requires more energy than it produces, making it an unfavorable process for generating energy in stars. This leads to the collapse of the star's core and triggers a supernova explosion.


Nuclear fusion only releases energy when elements that are lighter than what element are involved?

Nuclear fusion only releases energy when elements lighter than iron are involved. This is because elements lighter than iron release energy due to the process of fusion, while elements heavier than iron require energy to be input for fusion to occur.


What is the cause of the release of energy from stars?

The release of energy from stars is primarily caused by nuclear fusion reactions in their cores. These reactions involve the fusion of light atomic nuclei to form heavier ones, releasing energy in the process. This energy is then radiated outwards in the form of light and heat, which is what we observe as starlight.


How is nuclear energy and fusion energy different?

Nuclear energy typically refers to fission, where atoms are split to release energy. Fusion energy involves merging atoms to release energy, mimicking the process that powers the sun. Fusion has the potential to generate more energy and produce less waste compared to fission.

Related Questions

Do all stars release energy as a result of nuclear fusion?

Yes, all stars release energy due to nuclear fusion.


Why scientist are interested in harnessing the power of nuclear fusion as an energy source?

Fusion reactions release tremendous energy


Fission and fusion are examples of what?

Nuclear processes that can release large amounts of energy.


What do fusion and fission release?

Kinetic energy, which is quickly converted to thermal energy


What is the difference between nuclear fission and fusion?

Nuclear fission involves splitting atoms to release energy, while nuclear fusion involves combining atoms to release energy.


When do Nuclear fusion release energy?

Whenever there is an exothermic reaction.


What's the difference between nuclear fission and fusion?

Nuclear fission involves splitting atoms to release energy, while nuclear fusion involves combining atoms to release energy.


Why can't massive stars generate energy from iron fusion?

Massive stars cannot generate energy from iron fusion because iron fusion does not release energy, rather it absorbs energy. Iron is the most stable element, and fusion of iron requires more energy than it produces, making it an unfavorable process for generating energy in stars. This leads to the collapse of the star's core and triggers a supernova explosion.


Nuclear fusion only releases energy when elements that are lighter than what element are involved?

Nuclear fusion only releases energy when elements lighter than iron are involved. This is because elements lighter than iron release energy due to the process of fusion, while elements heavier than iron require energy to be input for fusion to occur.


What is the cause of the release of energy from stars?

The release of energy from stars is primarily caused by nuclear fusion reactions in their cores. These reactions involve the fusion of light atomic nuclei to form heavier ones, releasing energy in the process. This energy is then radiated outwards in the form of light and heat, which is what we observe as starlight.


How are fissions and fusion similar?

Fusion and fission are similar in that they both reduce mass and thereby release binding energy.


What process release the energy in the sun?

The energy in the sun is released through nuclear fusion. This process involves the fusion of hydrogen atoms to form helium, releasing large amounts of energy in the form of heat and light.