to recover a comet -
51Extinction event — …
52Doomsday (comics) — Doomsday Annual #1 Publication information Publisher DC Comics First appearance …
53Superman — This article is about the superhero. For other uses, see Superman (disambiguation). Superman …
54Han Dynasty — 漢朝 ← 206 BCE–220 CE …
55Ethane — This article is about the chemical compound. For the emergency service protocol, see ETHANE. Ethane …
56Tempelhof International Airport — Infobox Airport name = Berlin Tempelhof Airport nativename = Flughafen Berlin Tempelhof nativename a = nativename r = image width = caption = IATA = THF ICAO = EDDI type = Public owner = operator = Berlin Airports city served = location = Berlin …
57Addison's disease — Classification and external resources ICD 10 E27.1 E27.2 ICD 9 …
58New York, New Haven and Hartford Railroad — Reporting mark NH Locale New York, NY to Boston, MA Dates of operation 1872–1968 …
59Absorbing Man — The Absorbing Man The Absorbing Man (background) on the cover of Thor #376 (Feb. 1987). Art by Walt Simonson. Publication information Publisher …
60Julio Garavito Armero — (January 5, 1865 ndash; March 11, 1920) was a Colombian astronomer.Born in Bogotá, he was a child prodigy in science and mathematics. He obtained his degrees as mathematician and civil engineer in the Escuela Nacional de Ingeniería (National… …
