Women have made some of the most important scientific discoveries of all time. In this title, readers learn about physicist Jocelyn Bell Burnell from her early career in physics and radio astronomy to her discovery of pulsars while studying radio waves. A timeline, sidebars, fun facts, glossary, and index supplement the text. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.