Why bother with Astrophysics if we have String Theory?

In summary, while the idea of a "theory of everything" or a single equation that explains everything is intriguing, it has not yet been proven and even if it did exist, it may still be too complex to use in calculations and models of large objects. This means that we would still need to study specific areas such as astrophysics and condensed matter, as they are more easily computable. Additionally, trying to predict the effects of a non-existent theory is futile and we will have to wait and see if and when it becomes a reality.
  • #1
Gjmdp
148
5
If there is a "theory of everything", a single equation that basically explains everything, why should be study Astrophysics, Condensed matter, or so?

I mean we should rather study String Theory, Quantum Gravity... So, am I wrong? Maybe I'm leaving some important details.
 
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  • #2
There is no "theory of everything" at this time and string theory hasn't yet been shown to be correct. And even if there was a theory of everything, fundamental physical theories, while extremely important, are often impossible to use in calculations and models of large objects in their "raw" forms. The calculations are just too complex for us to compute. So we'd still have to make theories and models for astrophysics, condensed matter, and other areas that are less fundamental and more easily computable.
 
  • #3
Drakkith said:
There is no "theory of everything" at this time and string theory hasn't yet been shown to be correct. And even if there was a theory of everything, fundamental physical theories, while extremely important, are often impossible to use in calculations and models of large objects in their "raw" forms. The calculations are just too complex for us to compute. So we'd still have to make theories and models for astrophysics, condensed matter, and other areas that are less fundamental and more easily computable.
Ok, maybe the equation is just too complex. But Cosmology may easily be computed by this equation (I mean, is the "very" general view of the universe=, so no longer we'll require Astronomical observation to make models that predict this things, and therefore, there won't be more research on Cosmology. Right?
 
  • #4
Trying to make predictions about what a non-existent theory does is pointless. We'll have to wait and see if and when it happens.

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FAQ: Why bother with Astrophysics if we have String Theory?

1. Why bother with Astrophysics if we have String Theory?

Astrophysics and string theory are two distinct branches of physics that serve different purposes. Astrophysics deals with the study of the physical properties and behavior of celestial objects, such as stars, planets, and galaxies. On the other hand, string theory seeks to unify the fundamental forces of nature and explain the structure of the universe at a microscopic level. Both fields are equally important and necessary in understanding the universe we live in.

2. How does Astrophysics relate to String Theory?

Astrophysics and string theory are interconnected in multiple ways. String theory provides a theoretical framework for understanding the fundamental particles and forces that make up the universe, which is essential in studying astrophysical phenomena. For example, string theory helps explain the behavior of black holes and the formation of galaxies. On the other hand, astrophysical observations and data provide valuable insights and evidence for string theory.

3. Can we use String Theory to study Astrophysics?

Yes, string theory can be used to study astrophysical phenomena. String theory provides a mathematical framework for understanding the fundamental forces of nature, including gravity, which is crucial in studying phenomena such as the expansion of the universe and the behavior of black holes. It also helps in developing theories and models that can be tested through astrophysical observations.

4. What are the limitations of String Theory in understanding Astrophysics?

While string theory has made significant contributions to our understanding of the universe, it also has its limitations. String theory is still a theoretical framework that has not been fully tested and proven through experiments. Therefore, it cannot provide definitive answers to all astrophysical questions. Additionally, string theory does not address some astrophysical phenomena, such as dark matter and dark energy, which are still areas of active research in astrophysics.

5. Do we need both Astrophysics and String Theory to understand the universe?

Yes, both astrophysics and string theory are essential in understanding the universe. Astrophysics provides us with observational evidence and data that help validate and refine string theory. At the same time, string theory provides a theoretical framework for understanding the fundamental forces and particles that govern the behavior of celestial objects. Therefore, both fields are necessary for a comprehensive understanding of the universe.

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