seen from Moldova
seen from Russia
seen from Russia
seen from United States
seen from Mexico
seen from United States
seen from United States
seen from United States
seen from United States
seen from Germany
seen from United States
seen from Malaysia
seen from United States
seen from Russia
seen from Italy
seen from United States
seen from T1
seen from United States
seen from United States
seen from United States
Walter McAfee (1914-1995) This African-American Wiley College graduate, mathematician and physicist played a major part in determining the calculation of the speed of the moon. Know his story. #waltermcafee #physicist #blackhistorymonth http://www.blackpast.org/aah/mcafee-walter-samuel-1914-1995
