<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["de", "en"].<end_of_turn>
<start_of_turn>user
Was ist die Urknalltheorie?<end_of_turn>
<start_of_turn>model
The Big Bang theory is the most accepted scientific explanation for the origin of the universe. It proposes that the universe began as an extremely hot and dense singularity about 13.8 billion years ago. At one point, this singularity exploded into a huge expansion, giving rise to all of space, time, and matter we know today.

As the universe expanded, it cooled and allowed the formation of atoms, stars, galaxies, and more complex cosmic structures. Evidence supporting this theory includes observations of the expansion of the universe, cosmic background radiation (a remnant of heat from the Big Bang), and the abundance of light elements such as hydrogen and helium in the universe.

The Big Bang theory has been widely confirmed by astronomical observations and scientific experiments and has had a profound impact on our understanding of the cosmos and its evolution over time.<end_of_turn><eos>