<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["fr", "en"].<end_of_turn>
<start_of_turn>user
Comprenant environ 85 % de la matière de l'univers, qu'est-ce que la matière noire et pourquoi reste-t-elle invisible pour nos instruments scientifiques actuels ?<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>