1 dollar - Delaware - The System for Slassifying the Stars - Annie Jump Cannon

The Delaware $1 Coin recognizes astronomer Annie Jump Cannon who developed a system for classifying the stars that is still used today. This design features a silhouette of Ms. Cannon against the night sky, with a number of stars visible. The inscriptions are “UNITED STATES OF AMERICA,” “ANNIE JUMP CANNON,” “CLASSIFYING THE STARS,” and “DELAWARE.”