Science Friday Published by Science Friday Hr2: 21st Century Cures Act, Space Photography, Glass Universe Listen 47 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/691233/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Astronaut Don Pettit has taken hundreds of thousands of photos from the International Space Station. Plus, how at the beginning of the 20th century, a team of female astronomers at the Harvard College Observatory worked to classify the stars.