Who was the Danish astronomer whose work in developing astronomical instruments and in measuring the positions of stars paved the way for future discoveries? His observations were the most accurate before the invention of the telescope.

🎲 Try a Random Question  |  Total Questions in Quiz: 185  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
AP World History Questions — practice the complete quiz, review flashcards, or try a random question.


1. Who was the Danish astronomer whose work in developing astronomical instruments and in measuring the positions of stars paved the way for future discoveries? His observations were the most accurate before the invention of the telescope.