Could gravity's strength also require denisty as an alternative to MOND

In summary, the conversation revolved around the topic of climate change and its effects on the environment. The participants discussed the need for immediate action to mitigate the damage being done and the importance of individual responsibility in reducing carbon emissions. They also touched upon potential solutions such as renewable energy sources and sustainable living practices. Overall, there was a consensus that urgent and collective efforts are necessary to address this pressing issue.
  • #1
ensabah6
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MOND has been one alternative to DM.

It is based on modifying acceleration of F=MA.

As another alternative, could the strength of the force of gravity be much weaker than expected or predicted by GR when density is low, and as strong as expected by GR when density is above a threshold?
 
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  • #2
Who knows?

Have you a pet theory you wish to submit to "Independent Research"?

Garth
 
  • #3


Yes, it is possible that density could play a role in the strength of gravity. In fact, some theories suggest that gravity may be weaker in regions with lower density, and stronger in regions with higher density. This idea is similar to the Modified Newtonian Dynamics (MOND) theory, which proposes that gravity behaves differently in the low acceleration regime, rather than invoking the existence of dark matter. However, this is still a highly debated topic in the scientific community and more research and evidence is needed to fully understand the relationship between density and gravity.
 

1. What is MOND and how does it relate to gravity's strength?

MOND, or Modified Newtonian Dynamics, is a theory that suggests gravity's strength may vary depending on the density of matter in the universe. It proposes an alternative explanation for the observed discrepancies in the motion of galaxies that cannot be explained by traditional theories of gravity.

2. How does density affect gravity's strength in MOND?

In MOND, density is believed to play a crucial role in determining the strength of gravity. The theory suggests that as the density of matter increases, the gravitational force between objects also increases, leading to different predictions for the behavior of celestial bodies compared to traditional theories.

3. Is there evidence to support the idea that density affects gravity's strength?

There have been several observational studies that support the concept of density affecting gravity's strength. For example, the rotation curves of galaxies have been found to follow the predictions of MOND rather than traditional theories. However, more research is needed to fully understand the role of density in gravity's strength.

4. Can density completely replace MOND in explaining the behavior of celestial bodies?

No, density cannot completely replace MOND as an alternative theory for gravity's strength. While density may play a significant role, there are other factors that may also affect gravity, such as dark matter. Additionally, more research is needed to fully understand the complexities of gravity and its relationship with density.

5. How does the idea of density affecting gravity impact our understanding of the universe?

The concept of density affecting gravity's strength challenges our traditional understanding of the universe and the laws of gravity. If further evidence supports the idea, it could lead to a paradigm shift in our understanding of celestial bodies and their behavior. It also opens up new avenues of research and could potentially help us unravel some of the mysteries of the universe.

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