Word: babelsburg
(lookup in dictionary)
(lookup stats)
Dates: during 1930-1939
Sort By: most recent first
(reverse)
...Sirius whose density is approximately half a ton to the cubic inch. *World telescope ranking: Observatory Diameter of Reflector Mt. Wilson........ 100 in. Dunlap (Toronto).....................................74 in. Dominion ...........................................72 in. Perkins (Delaware, Ohio).......................... 69 in. Harvard .....................................................61 in. Argentine National (Cordoba).........................60 in. Harvard (South Africa) ....................................60 in. Berlin-Babelsburg ........................................48½in. Melbourne..................................................... 48 in. †One light-year=approximately six trillion miles. Traveling 186,000 miles per second, light takes only eight minutes to reach Earth from...
| 1 |