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The surprise launch of Sputnik 2, coupled with the spectacular failure of the United States' first two Project Vanguard launch attempts, shocked the United States, which responded with a number of early satellite launches, including Explorer 1, Project SCORE, and Courier 1B. The Sputnik crisis also led to the creation of the Advanced Research Projects Agency (renamed the Defense Advanced Research Projects Agency in 1972): DARPA, and NASA, and an increase in U.S. government spending on scientific research and education.
The surprise launch of Sputnik 2, coupled with the spectacular failure of the United States' first two Project Vanguard launch attempts, shocked the United States, which responded with a number of early satellite launches, including Explorer 1, Project SCORE, and Courier 1B. The Sputnik crisis also led to the creation of the Advanced Research Projects Agency (renamed the Defense Advanced Research Projects Agency in 1972): DARPA, and NASA, and an increase in U.S. government spending on scientific research and education.


Sputnik 1 was launched on October 4, 1957. The satellite was 58 cm (about 23 in) in diameter and weighed approximately 83.6 kg (about 183 lb). Each of its elliptical orbits around the Earth took about 96 minutes. Monitoring of the satellite was done by many amateur radio operators[2] and the Jodrell Bank Observatory.[3] Sputnik's R-7 booster had previously proven itself more than one month earlier as the world's first ICBM in the successful long-range test flight of August 21 (with the accomplishment published in Aviation Week). Sputnik 1 was not visible from Earth but the casing of the R-7 booster, traveling behind it, was.
Sputnik 1 was launched on October 4, 1957. The satellite was 58 cm (about 23 in) in diameter and weighed approximately 83.6 kg (about 183 lb). Each of its elliptical orbits around the Earth took about 96 minutes. Monitoring of the satellite was done by many amateur radio operators and the Jodrell Bank Observatory. Sputnik's R-7 booster had previously proven itself more than one month earlier as the world's first ICBM in the successful long-range test flight of August 21 (with the accomplishment published in Aviation Week). Sputnik 1 was not visible from Earth but the casing of the R-7 booster, traveling behind it, was.


Sputnik 2 was launched on November 3, 1957 and carried the first living passenger into orbit, a dog named Laika. The mission planners did not provide for the safe return of the spacecraft or its passenger, making Laika the first orbital casualty. This mission was promptly dubbed "Muttnik" by US humorists.[4]
Sputnik 2 was launched on November 3, 1957 and carried the first living passenger into orbit, a dog named Laika. The mission planners did not provide for the safe return of the spacecraft or its passenger, making Laika the first orbital casualty. This mission was promptly dubbed "Muttnik" by US humorists.


The first attempt to launch Sputnik 3, on February 3, 1958, failed, but the second on May 15 succeeded, and it carried a large array of instruments for geophysical research. Its tape recorder failed, however, making it unable to measure the Van Allen radiation belts.
The first attempt to launch Sputnik 3, on February 3, 1958, failed, but the second on May 15 succeeded, and it carried a large array of instruments for geophysical research. Its tape recorder failed, however, making it unable to measure the Van Allen radiation belts.

Revision as of 18:46, 5 November 2008

Sputnik 1 was the first artificial satellite launched by Humans. It was built by the Earth's Soviet Union, and was launched on October 4, 1957.

The Vulcans T'Mir, Mestral, Stron, and their captain went to Earth to investigate the launch. Down on the surface, the Human Jack offered to point out the satellite to T'Mir; she told him she'd seen it. (ENT: "Carbon Creek")

The Sputnik program was a series of robotic spacecraft missions launched by the Soviet Union. The first of these, Sputnik 1, launched the first man-made object to orbit the Earth. That launch took place on October 4, 1957 as part of the International Geophysical Year and demonstrated the viability of using artificial satellites to explore the upper atmosphere.

The Russian word sputnik literally means "co-traveler", "traveling companion" or "satellite", and its R-7 launch vehicle was designed initially to carry nuclear warheads.

The surprise launch of Sputnik 2, coupled with the spectacular failure of the United States' first two Project Vanguard launch attempts, shocked the United States, which responded with a number of early satellite launches, including Explorer 1, Project SCORE, and Courier 1B. The Sputnik crisis also led to the creation of the Advanced Research Projects Agency (renamed the Defense Advanced Research Projects Agency in 1972): DARPA, and NASA, and an increase in U.S. government spending on scientific research and education.

Sputnik 1 was launched on October 4, 1957. The satellite was 58 cm (about 23 in) in diameter and weighed approximately 83.6 kg (about 183 lb). Each of its elliptical orbits around the Earth took about 96 minutes. Monitoring of the satellite was done by many amateur radio operators and the Jodrell Bank Observatory. Sputnik's R-7 booster had previously proven itself more than one month earlier as the world's first ICBM in the successful long-range test flight of August 21 (with the accomplishment published in Aviation Week). Sputnik 1 was not visible from Earth but the casing of the R-7 booster, traveling behind it, was.

Sputnik 2 was launched on November 3, 1957 and carried the first living passenger into orbit, a dog named Laika. The mission planners did not provide for the safe return of the spacecraft or its passenger, making Laika the first orbital casualty. This mission was promptly dubbed "Muttnik" by US humorists.

The first attempt to launch Sputnik 3, on February 3, 1958, failed, but the second on May 15 succeeded, and it carried a large array of instruments for geophysical research. Its tape recorder failed, however, making it unable to measure the Van Allen radiation belts.

Sputnik 4 was launched two years later, on May 15, 1960.

Sputnik 5 was launched on August 19, 1960 with the dogs Belka and Strelka, 40 mice, 2 rats and several plants on board. The spacecraft returned to earth the next day and all animals were recovered safely.

Sputnik 6 was launched on December 1, 1960 with the dogs Pchelka and Mushka, who died on re-entry by an unplanned destructive charge.

Sputnik 40, also called Sputnik PS2, Radio Sputnik 17 (RS-17) and Mini-Sputnik, was a 1⁄3-scale model amateur radio satellite launched from the Mir space station on 3 November 1997 to commemorate the 40th anniversary of Sputnik 1. The spacecraft body resembled Sputnik 1 and was built by students at the Polytechnic Laboratory of Nalchik in Kabardino-Balkaria. The transmitter was built by students from Jules Reydellet College in Réunion, with technical support from AMSAT-France. Its batteries expired on 29 December 1998 and the VHF transmitter fell silent. Its international designator is 1997-058C, United States Space Command object 24958.

Sputnik 41 (RS-18, designator 1998-62C, object 25533 was launched a year later, on 10 November 1998. It also carried a transmitter.