sherlock ohms said:would it be fair to say that Universes(??) on all scales, which consist of 'something', expand for the very simple reason that there is, quite literally, 'nothing' to prevent them from doing so?
(question based on random musings..)
The current scientific theory, known as the Big Bang theory, suggests that the universe began as a singularity approximately 13.8 billion years ago. This singularity expanded rapidly, creating the vast universe we see today.
The exact cause of the expansion of the universe is still a topic of debate among scientists. Some theories propose that it was due to the force of gravity, while others suggest the existence of a mysterious force known as dark energy. Further research and observations are needed to fully understand the cause of the universe's expansion.
Scientists use various methods to study the expansion of the universe, including observing the movement of distant galaxies and measuring the light from supernovae. They also use sophisticated technology such as telescopes, satellites, and computer simulations to gather data and make predictions about the expansion of the universe.
The concept of "something" and "nothing" is often used in philosophical discussions about the origins of the universe. However, in scientific terms, the expansion of the universe is not influenced by the existence or non-existence of these concepts. The expansion is driven by physical processes and forces, not abstract ideas.
Based on current scientific understanding, it is unlikely that the expansion of the universe will stop or reverse. In fact, recent observations suggest that the expansion is accelerating. However, as our understanding of the universe continues to evolve, it is always possible that new discoveries could lead to a different understanding of the expansion and its potential future outcomes.