In today's episode, we discussed the cosmic distance ladder. From planets in our solar system to objects millions of lightyears away, the elements of the cosmic distance ladder are vital to discovering their distances. Watch this episode to discover how scientists determine some of the secrets of the universe. Remember we are not experts, however, we endeavor to collect all our research and facts from reliable sources or resident experts. 

Our Sources:

Introduction to Cosmology

Book by Barbara Ryden