(2018) Fantastic Space and How to Reach There
Here’s an illustrated tribute to astronomer Annie Jump Cannon (Dec 11, 1863 - Apr 13, 1941), and rocket scientist / aerodynamicist Qian XueSen (錢學森 Dec 11, 1911 - Oct 31, 2009), for their shared December 11th birthday.Q
In her lifetime, Cannon manually classified around 350,000 stars based on their spectral characteristics. Her cataloging works was instrumental in the development of stellar classification.
Qian’s was one of the founders of Jet Propulsion Laboratory (JPL), contributed in early advancements of high-speed aerodynamics and jet propulsion. Later in his career he made important contribution to China’s missile and space program.
(#15,447 / #37)