A giant of radar astronomy has passed. RIP Gordon Pettengill (1926 – 2021). https://t.co/2BL28TDq81— Jean-Luc Margot (@JeanLucMargot) May 9, 2021
A giant of radar astronomy has passed. RIP Gordon Pettengill (1926 – 2021). https://t.co/2BL28TDq81