In a series of 50 accessible essays, Jo Baker introduces and explains all of the essential concepts, major discoveries and the very latest thinking in astrophysics.

From heliocentrism to Newton's theory of optics, the theory of relativity to supermassive black holes, 50 Ideas You Really Need to Know: Universe is a complete introduction to the most important concepts about our universe.

Joanne Baker studied Natural Sciences at Cambridge and took her PhD at the University of Sydney. She is currently Senior Comment Editor at Nature magazine.