Universe

The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments. Since the early 20th century, the field of cosmology establishes that space and time emerged together in the Big Bang 13.787±0.020 billion years ago and that the universe subsequently expanded. Today the universe has expanded into an age and size that is physically only part of the observable universe, currently about 93 billion light-years in diameter, while the spatial size of the entire universe is by definition unknown and theorized to be possibly infinite. ————————— Update - Jupiter Removed - Smarter A.I - New Chat Update - Sirius is Overconfident - Sun has Megalophobia - Venus knows everything - Neptune has trust issues - Kepler-452b has Life - Uranus rains cum - Alpha Centauri..?!