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Hace 6 días · Robert Hutchings Goddard (October 5, 1882 – August 10, 1945) [1] was an American engineer, professor, physicist, and inventor who is credited with creating and building the world's first liquid-fueled rocket, which was successfully launched on March 16, 1926. [2] .
Hace 2 días · Sonic the Hedgehog [a] is a video game series and media franchise created by the Japanese developers Yuji Naka, Naoto Ohshima, and Hirokazu Yasuhara for Sega. The franchise follows Sonic, an anthropomorphic blue hedgehog who battles the evil Doctor Eggman, a mad scientist.
Hace 2 días · Black hole. Direct radio image of a supermassive black hole at the core of Messier 87 [1] Animated simulation of a Schwarzschild black hole with a galaxy passing behind. Around the time of alignment, extreme gravitational lensing of the galaxy is observed.
Hace 1 día · First independent suborbital and orbital human spaceflight by country. Human spaceflight firsts. Note: Some space records are disputed as a result of ambiguities surrounding the border of space. Most records follow the FAI definition of the space border which the FAI sets at an altitude of 100 km (62.14 mi).
Hace 6 días · A species ( pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1] . It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.
Hace 1 día · This is a timeline of space exploration which includes notable achievements, first accomplishments and milestones in humanity's exploration of outer space . This timeline generally does not distinguish achievements by a specific country or private company, as it considers humanity as a whole.
Hace 2 días · " Space Oddity " is a song by the English singer-songwriter David Bowie. It was first released on 11 July 1969 by Philips Records as a 7-inch single, then as the opening track of his second studio album, David Bowie.
