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The first orbital flight of an artificial satellite, Sputnik 1, was launched in October 1957, by the Soviet Union.In November, the second orbital flight took place. The Soviet Union launched the first animal to orbit the Earth, a dog, Laika, who died in orbit a few hours after launch.
Sputnik 1 (/ ˈ s p ʌ t n ɪ k, ˈ s p ʊ t n ɪ k /, Russian: Спутник-1, Satellite 1), sometimes referred to as simply Sputnik, was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program .
Minitrack operators knew Sputnik 1 was passing overhead but could not track it with 108-MHz interferometers. Sputnik 1 was transmitting in the amateur radio bands and getting good publicity as hams all over the world picked up the signals. Army radio engineers and many amateurs spent the night of 4 October 1957 building and modifying their ...
Southwest Airlines introduced a new feature on its app and website that shows your bag's progress during a trip.
Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board.Most spaceflight is uncrewed and conducted mainly with spacecraft such as satellites in orbit around Earth, but also includes space probes for flights beyond Earth orbit.
Southwest Airlines will give customers a flexibility boost but also restrict a popular fare add-on as changes roll out. Southwest Airlines begins free same-day standby for all tickets, limits ...
Orbital flight: about 100 meters (or 330 feet), Bruce McCandless, STS-41-B, February 7, 1984. With the exception of six Manned Maneuvering Unit (MMU) sorties in 1984 and a test of the Simplified Aid For EVA Rescue (SAFER) in 1994, all other orbital spacewalks have involved a safety tether, anchoring the spacefarer to the spacecraft at a short ...
Two flights of the Apollo program were particularly memorable for me. The first was Apollo 8 that circled the moon in December of 1968. Earthrise is one of my favorite photographs.