1 Questions
Which scientist is quoted as saying 'If it is just us, it seems like an awful waste of space'?
Carl Sagan
Test your knowledge on the origin of the universe with this scientific quiz. Explore various theories, their evidence, weaknesses, and popularity. How well do you understand the mysteries of the cosmos?
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
