September 10, 2023

Are some things unknowable?

The prompt "Are some things unknowable?" is a thought-provoking question that explores the limits of human knowledge and understanding. It may seem that humans have the tools to uncover anything with enough time and effort. However, after giving it some thought, there are some aspects of knowledge about the universe that we probably won’t ever be able to comprehend.

The object I have chosen for this prompt is the Hubble sphere. Essentially, the Hubble sphere is a visualization of our observable universe, a constantly expanding spherical region with a radius of approximately 46.5 billion light years, containing all the space and celestial objects which we have been able to observe from Earth thus far.

The Hubble sphere suggests that some things may be unknowable because it sets a barrier beyond which we cannot gather any information. The expansion of the universe causes objects outside the Hubble sphere to move away from us faster than the speed of light, and as a result, their light will never reach us, rendering them unobservable. This means that there may be certain properties of the universe that we will never learn about, simply because we have no way to receive any information about them.

However, we cannot say for certain that things will always remain this way. It is possible that future scientific and technological advancements will open up novel opportunities for exploration and discovery. For example, there are theoretical concepts such as wormholes or warp drives that hypothesize about the possibility of traveling faster than the speed of light. If we continue to make progress in science and technology, perhaps someday the answers to the biggest questions about the universe will no longer remain a mystery.