Podcast Beta
Questions and Answers
When did the first stars in the universe appear?
What is the estimated time gap between the appearance of the first stars and the proliferation of galaxies?
How long was the universe featureless and dark according to current understanding of cosmology?
What can be observed on a clear night with the naked eye?
Signup and view all the answers
What do telescopes reveal about the universe?
Signup and view all the answers