The universe at late times refers to the current state and evolution of the universe. It is the period of time after the Big Bang, which is estimated to have occurred approximately 13.8 billion years ago.
Scientists study the universe at late times through a variety of methods, including observational astronomy, theoretical models, and experiments using advanced technology such as telescopes, satellites, and particle accelerators.
Studying the universe at late times allows scientists to gain a better understanding of the origin, structure, and evolution of the universe. It also helps us to understand our place in the universe and how the laws of physics govern its behavior.
We know that the universe at late times is expanding at an accelerating rate and is dominated by mysterious substances known as dark matter and dark energy. We also know that galaxies, stars, and planets have formed and evolved over time.
Some current theories about the universe at late times include the Big Bang theory, which proposes that the universe began as a hot and dense singularity and has been expanding ever since. Other theories include inflation, the multiverse, and string theory, which attempt to explain the fundamental laws of nature and the origin of the universe.