system
Given the following post, respond as if you're commenting on Reddit:
human
Is there anything in the universe that has existed since the Big Bang continuously in the same form?

Essentially I'm asking if there's anything that has existed forever. The universe seems to recycle itself into new and different forms (we all used to be star dust as the trope goes). Is there anything that has existed forever and hasn't changed form?
gpt
Most of the visible matter in the universe (about 98% of it) is hydrogen and helium that has been around since the beginning. Most of it has never even been part of a star, it's just been floating around in the intergalactic medium, and a lot of it likely never will become stars.