It's understandable to have questions and skepticism about scientific concepts, including dark matter and dark energy. Science encourages critical thinking and questioning of existing theories to promote progress and advancement in our understanding of the universe.
Dark matter and dark energy are proposed concepts in astrophysics and cosmology that are used to explain observed phenomena that cannot be accounted for by known matter and energy. While these concepts are still the subject of ongoing research and investigation, they have been proposed as explanations based on the current evidence and observations.
It's important to note that the existence of dark matter and dark energy is not assumed arbitrarily, but rather inferred from various lines of evidence. For example, observations of galaxy rotation curves, gravitational lensing, and the large-scale structure of the universe point towards the presence of additional matter that does not interact with light or other electromagnetic radiation, hence the term "dark matter." Similarly, the accelerated expansion of the universe, as revealed by observations of distant supernovae and other cosmological probes, led to the proposal of dark energy as a possible explanation.
However, it is also worth mentioning that the existence of dark matter and dark energy is still being actively studied, and alternative hypotheses or modifications to our fundamental laws of physics are also explored. Scientists continuously strive to refine and revise existing theories to account for new observations and discrepancies. The scientific process involves testing, questioning, and refining ideas based on evidence and experimentation.
If you have specific ideas or alternative theories that you believe can better explain the observed discrepancies, it can be valuable to engage with the scientific community and present your ideas for scrutiny and discussion. Constructive skepticism and proposing alternative explanations can contribute to the advancement of scientific knowledge.