english: We know now that the universe is made of about 100 billion galaxies that are visible to us, and each one of those galaxies has 100 billion stars within it.
non_english: Dnes vieme, že vesmír tvorí okolo 100 miliárd galaxií, ktoré sú pre nás viditeľné, a že v každej z nich svieti 100 miliárd hviezd.