Category:1951 in outer space Space portalAstronomy portalHistory portal1950s portalThis category is for the year 1951 in outer space.19421943194419461949195119521953195419551956 1900s1910s1920s1930s1940s1950s1960s1970s1980s1990s2000s Subcategories This category has the following 2 subcategories, out of 2 total. A Astronomical objects discovered in 1951 (38 P)S 1951 in spaceflight (3 P)
