Questions & Answers about Rozmawiamy o wszechświecie i jego istnieniu.
Why are both "wszechświecie" and "istnieniu" in the Locative case here?
They are the objects of the preposition o. When o means "about" (as in talking or thinking about something), it requires the Locative case. Since both nouns are connected by i (and), they both must take the Locative form.
How does the word "wszechświat" relate to the lesson's topic of "wszystko"?
Wszechświat means "universe," but its literal translation is closer to "all-world." The prefix wszech- is an old, specialized form of the pronoun meaning "all" or "everything" (the same root as wszystko). You will also see this prefix in words like wszechmocny (almighty).
The base word is "wszechświat". Why does the "a" change to an "e" in "wszechświecie"?
When we add the Locative -e ending to masculine nouns ending in -t, the -t softens into -cie. In a few core Polish words like świat (world), lato (summer), and miasto (city), this softening triggers a vowel shift that pulls the preceding a forward into an e. Therefore, wszechświat becomes wszechświecie.
Why are we using "jego" for "its"? Isn't that the word for "his"?