RT @NASA_Astronauts: #LeonardNimoy made being the 1st ‘#ISS Science Officer’ special! Thoughts & prayers for his family.
-Peggy Whitson http://t.co/37sjhnWtt4
RT @NASA_Astronauts: #LeonardNimoy made being the 1st ‘#ISS Science Officer’ special! Thoughts & prayers for his family.
-Peggy Whitson http://t.co/37sjhnWtt4