Results for "Astronomy and astrophysics"

1. 

   Observatory at Mt. Montezuma, Chile

   • Date: c. 1920
   • Creator: Unknown
   • Creator: Unknown

2.  
3. 

   Operation Moonwatch in Philippines

   • Date: 1958
   • Creator: Unknown
   • Creator: Unknown

4.  
5. 

   Telescope at Mt. Wilson Observatory

   • Date: c. 1931
   • Creator: Unknown
   • Creator: Unknown

6.  
7. 

   Secretary Charles G. Abbot with Bolometric Apparatus

   • Date: 1900
   • Creator: Unknown
   • Creator: Unknown

8.  
9. 

   Operation Moonwatch Event, Biloxi, Mississippi

   • Date: c. 1958
   • Creator: Unknown
   • Creator: Unknown

10.  

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