What are some unresolved problems in cosmology?

cosmology, the study of the universe, is plagued by numerous unresolved problems. Historically, these unresolved problems have caused new development in physics that continued the revolution in the field, but in the last half century cosmologists have discovered new problems and provided less adequate solutions. Finding a solution to these problems may require radical new thinking and greater tolerance to hiring PhD, which tends to watch their own thoughts rather than just watch those higher scientists. A substantial part, about 60%, the mass energy in the universe is in the form of a mysterious energy that pushes the cosmos at distant speed. What is this energy and where does it come from? Cosmologists have no real idea.

Although it has a similar name, there is another problem in cosmology, the so -called dark matter that is not really related to dark energy, except that they concern things we don't understand. About 90% of the matter in the universe is in the obviously invisible form of matter, which we call dark matter. This dark matter can be measuredOnly using the gravitational move that has on the objects around it, and all the galaxies we observe contain a large halo, often spread over hundreds of thousands of light years beyond the edge of light mass. Is this dark matter of real matter, such as a weakly interacting massive particle (Wimpy), or maybe it's just an observational artifact caused by incorrect gravity theory? Every cosmologist who finds out would practically guarantee the Nobel Prize, but none of them was successful.

Another secret is why there is much more in space than antimatter. According to physical theories, the material of the matter is essentially equivalent, but conventional mass is observed in much greater amount than antimatter. Was there a very large number of both types in the early universe, and most of them destroyed each other to leave today's matter? Or has there a much more conventional matter from the beginning? If you're a cosmologist, it's a kind of thing that keeps you at night.

some of the answers to the above questionKy can be derived from the anthropic principle - the idea that values ​​are observed was much different, the universe would be hostile to life, and therefore there would be no cosmologists who would ask these questions. But others see the anthropic principle as a braid-out because it offers a comfortable explanation for virtually anything we want. There are many other unresolved problems in cosmology that have to do with generating matter for neutrino, the issue of entropy in the distant past and the conditions of the universe immissionly after the Big Bang. If you want to know more, read a book on this topic recognized cosmologist.