Addressing observational challenges in cosmology from "summary" of Endless Universe by Paul J. Steinhardt,Neil Turok
The field of cosmology faces a significant challenge when it comes to making accurate and reliable observations. The vast expanse of the universe and the limitations of our technology make it difficult to gather data that can be used to test theories and models. This is a critical issue because without observational evidence, it is impossible to verify or refute the predictions of cosmological theories. One of the main challenges in observational cosmology is the fact that we are limited to observing the universe from our vantage point on Earth. This means that our view of the cosmos is inherently biased and incomplete. To address this limitation, cosmologists must develop sophisticated techniques and instruments that can compensate for these observational constraints. By using advanced telescopes, satellites, and other tools, scientists can gather more comprehensive and accurate data about the universe. Another challenge in observational cosmology is the presence of cosmic phenomena that are difficult to detect or measure. For example, dark matter and dark energy, which make up the majority of the universe's mass and energy, do not emit or ...
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