Is the Universe Losing Mass Through Stellar Energy Conversion?

Thread starter jayaramas
Start date Nov 7, 2011
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Energy Energy conversion Mass Stellar Universe

In summary, stellar energy conversion is the process by which stars convert lighter elements into heavier ones, releasing large amounts of energy in the form of heat and light. This process also contributes to the loss of mass in the universe, as a small portion of a star's mass is converted into energy through nuclear fusion reactions. This has been ongoing since the formation of the first stars and will continue until all stars have exhausted their fuel. It is estimated that the universe has lost a very small percentage of its mass through this process since the Big Bang, but it is not a cause for concern as it is a natural and balanced process.

Nov 7, 2011

jayaramas

as mass is converted to energy in stars, is universe losing total mass?

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Nov 7, 2011

Chronos

Science Advisor

Gold Member

Under GR mass is equivalent to energy, so mass converting to energy is a net zero proposition.

1. What is "stellar energy conversion"?

Stellar energy conversion refers to the process by which stars generate energy through nuclear fusion reactions in their cores. This process converts lighter elements into heavier ones, releasing large amounts of energy in the form of heat and light.

2. How does stellar energy conversion contribute to the loss of mass in the universe?

Through nuclear fusion reactions, stars convert a small portion of their mass into energy. This energy is released into space in the form of radiation, causing the star's mass to decrease over time. This process is responsible for the gradual loss of mass in the universe.

3. Is the universe constantly losing mass through stellar energy conversion?

Yes, the universe is constantly losing mass through stellar energy conversion. This process has been ongoing since the formation of the first stars and will continue until all the stars in the universe have exhausted their fuel.

4. How much mass has the universe lost through stellar energy conversion?

It is estimated that the universe has lost around 0.000000000000000000000000000000000000001% of its mass through stellar energy conversion since the time of the Big Bang. While this may seem like a small amount, it is significant on a cosmic scale.

5. Is the loss of mass through stellar energy conversion a cause for concern?

No, the loss of mass through stellar energy conversion is a natural process that has been occurring since the beginning of the universe. It is not a cause for concern as it is a gradual and balanced process that contributes to the overall functioning of the universe.