<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["en", "en"].<end_of_turn>
<start_of_turn>user
Comprising roughly 85% of the universe's matter, what is dark matter, and why does it remain invisible to our current scientific instruments?<end_of_turn>
<start_of_turn>model
Dark matter is a cosmic enigma, undetectable by electromagnetic means but inferred from its gravitational influence on visible matter. Its nature and composition remain a mystery, with candidates ranging from weakly interacting massive particles (WIMPs) to axions and sterile neutrinos. Understanding dark matter holds the key to unlocking secrets about the universe's formation, evolution, and ultimate fate.<end_of_turn><eos>