What is the estimated energy output of the Milky Way?

Thread starter jayaramas
Start date Oct 30, 2011
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Energy Total energy

In summary, total energy in the context of the Milky Way is the sum of all forms of energy present in our galaxy, including matter and radiation. It can be measured through various methods and dark energy is believed to make up the majority of it. The total energy affects the evolution of the Milky Way by determining dynamics and influencing interactions with other galaxies. While it can change over time, the overall conservation of energy principle still applies.

Oct 30, 2011

jayaramas

what is the total amount of energy radiated per second by our milky way

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Oct 30, 2011

Chronos

Science Advisor

Gold Member

Unkown. It is unmeasurable. We guess based on the energy output of galaxies that appear similar to our own.

1. What is total energy in the context of the Milky Way?

Total energy in the context of the Milky Way refers to the sum of all the forms of energy present within our galaxy. This includes both matter and radiation, such as the energy of stars, gas, dust, and dark matter.

2. How is the total energy of the Milky Way measured?

The total energy of the Milky Way can be measured through various methods, including analyzing the motion and interactions of celestial objects, studying the distribution of matter and radiation, and using mathematical models to calculate the gravitational potential energy of the galaxy.

3. What is the role of dark energy in the total energy of the Milky Way?

Dark energy is believed to make up the majority of the total energy of the universe, including the Milky Way. It is a mysterious force that is thought to be responsible for the accelerating expansion of the universe.

4. How does the total energy of the Milky Way affect the evolution of our galaxy?

The total energy of the Milky Way plays a crucial role in the evolution of our galaxy. It determines the dynamics of the galaxy, such as the formation and movement of stars and the structure of the galactic disk. It also influences the interactions and mergers with other galaxies.

5. Can the total energy of the Milky Way change over time?

Yes, the total energy of the Milky Way can change over time due to various factors such as the formation and destruction of stars, the accretion of matter, and the influence of neighboring galaxies. However, the overall conservation of energy principle still applies, meaning energy cannot be created or destroyed but can only be transformed from one form to another.