
Celebrating Astronomer Margaret Burbidge, 1919–2020
The astronomer who taught us we are all made of stardust has passed away after celebrating her 100th birthday on August 12, 2019.

Annie Jump Cannon: Star Classifier
Astronomer Annie Jump Cannon (1863-1941) classified hundreds of thousands of stars and created the system we use to understand stars today.

Vera Rubin: Dark Matter Detective
American astronomer Vera Rubin (1928 - ) measured how fast galaxies rotate, delivering decisive evidence for the existence of dark matter.