Cosmology quiz with answers

Does cosmology have the most fascinating questions you've been daydreaming about?

‘Cosmology has all the most fascinating questions that I’d been daydreaming about since I was a child’: Laura Mersini-Houghton in Cambridge

Photograph: Antonio Olmos/The Observer

Cosmology is the study of the beginning of the universe and how the universe could end

An example of this is the big bang theory that explains how the universe started

What is cosmology?