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6901. Ranger 7
... Ranger 7 was designed to achieve a lunar impact trajectory and to transmit high-resolution photographs of the lunar surface during the final minutes of flight. ... Velocity at impact was 2.62 km/sec (1.62 miles per second). ... The television system consisted of a six slow-scan vidicon TV cameras capable of transmitting high-resolution, close-up television pictures of the lunar surface during the final minutes of flight before the spacecraft impacted the lunar surface. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/ranger7.htm -- 5.8 Кб -- 15.10.1997
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6902. Ranger 8
... Ranger 8 was designed to achieve a lunar impact trajectory and to transmit high-resolution photographs of the lunar surface during the final minutes of flight. The spacecraft carried six television cameras, an optical earth sensor and high-gain antenna for optimum communications, and solar panels to provide power, as well as additional engineering equipment. ... Sufficient video bandwidth was provided to allow for rapid framing sequences of both narrow- and wide-angle television pictures. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/ranger8.htm -- 5.4 Кб -- 15.10.1997
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6903. Ranger 9
... Ranger 9 was designed to achieve a lunar impact trajectory and to transmit high-resolution photographs of the lunar surface during the final minutes of flight. The spacecraft carried six television cameras, an optical earth sensor and high-gain antenna for optimum communications, and solar panels to provide power, as well as additional engineering equipment. ... The spacecraft encountered the lunar surface with an incoming asymptotic direction at an angle of -5.6 degrees from the lunar equator. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/ranger9.htm -- 5.3 Кб -- 15.10.1997
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6904. Lunar Orbiter 4
Courtesy of NASA's National Space Science Data Center . ... The Lunar Orbiter 4 spacecraft was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions. ... This experiment consisted of a dual-lens camera system designed to satisfy the primary mission objective of providing photogaphic information for mapping and for the evaluation of Apollo and Surveyor landing sites. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/orbiter4.htm -- 7.7 Кб -- 15.10.1997
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6905. Lunar Orbiter 5
... Lunar Orbiter 5 was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions. ... Accurate data were acquired from all other experiments throughout the mission. ... A detailed description of the experiment, a bibliography, and indexes of all the available Lunar Orbiter 1 through 5 photos are contained in the report 'Lunar Orbiter Photographic Data,' NSSDC 69-05, June 1969. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/orbiter5.htm -- 8.2 Кб -- 15.10.1997
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6906. Saturn's Satellite Pan
Pan . ... Pan, the innermost known satellite, was found from photographs taken by Voyager during its encounter with Saturn. ... Pan is located 133,583 kilometers from the center of Saturn and is within the Encke Gap of Saturn's A-ring. ... Orbital period (days) . ... This image shows the small moolet Pan located within the Saturn's Encke gap. ... Pan Within Encke Gap . ... Showalter, Mark R., "Visual detection of 1981S13, Saturn's eighteenth satellite, and its role in the Encke gap," Nature , Vol. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/pan.htm -- 4.9 Кб -- 15.10.1997
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6907. Saturn's Satellite Pandora
Pandora . Saturn X - 1980S26 . Pandora [pan-DOR-uh] is the fourth of Saturn's known satellites. ... Pandora is the outer shepherd satellite for Saturn's F-ring. ... Very limited data is available to analyze Pandora. ... The leading side faces forwards in the orbit of Pandora. ... Prometheus and Pandora . This image shows Prometheus and Pandora next to Saturn's F-ring. ... Stooke, P. J., "Shapes and Surface Features of Prometheus and Pandora," Earth, Moon and Planets , 62 (1993), 199-221. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/pandora.htm -- 5.9 Кб -- 15.10.1997
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6908. Jupiter's Moon Pasiphae
Pasiphae . Jupiter VIII . Pasiphae [pah-SIF-ah-ee] is the fifteenth known satellite of Jupiter. Very little is known about Pasiphae. Pasiphae Statistics . ... Mass (Earth = 1) . ... Equatorial radius (km) . ... Equatorial radius (Earth = 1) . ... Mean density (gm/cm^3) . ... Mean distance from Jupiter (km) . ... Rotational period (days) . Orbital period (days) . ... Mean orbital velocity (km/sec) . ... Orbital eccentricity . ... Orbital inclination (degrees) . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/pasiphae.htm -- 3.5 Кб -- 15.10.1997
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6909. Mars Pathfinder
... The mission will consist of a stationary lander and a surface rover. The mission has the primary objective of demonstrating the feasibility of low-cost landings on and exploration of the Martian surface. ... The spacecraft will be launched in December 1996 for an arrival on Mars in July 1997. The scientific objectives include atmospheric entry science, long-range and close-up surface imaging, with the general objective being to characterize the Martian environment for further exploration. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/path.htm -- 3.9 Кб -- 15.10.1997
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6910. People
... English astronomer and mathematician. ... American astronomer. ... Bond, William Cranch 1789-1859 . ... At the observatory, he studied Saturn and (with William Lassell ) discovered its moon Hyperion . ... Polish astronomer who advanced the heliocentric theory that the earth and other planets revolve around the Sun. ... Galileo Galilei 1564-1642 . ... Van Allen discovered the Earth's radiation belts, which now bear his name, with an instrument aboard the first successful American satellite, Explorer...
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Ссылки http://www.iki.rssi.ru/solar/eng/people.htm -- 14.3 Кб -- 15.10.1997
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6911. Pluto Express
... Courtesy of NASA's National Space Science Data Center . Originally designated the Pluto Fast Flyby (PFF), the Pluto Express mission is planned to be a two-spacecraft mission designed to make studies of the planet Pluto and its satellite Charon. Its major science objectives are to: (1) characterize the global geology and geomorphology of Pluto and Charon; (2) map the composition of Pluto's surface; and, (3) determine the composition and structure of Pluto's atmosphere. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/pexpress.htm -- 4.2 Кб -- 15.10.1997
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6912. Mars' Moon Phobos
Phobos . Mars I . Phobos [FOH-bohs] (fear) is a moon of Mars and was named after an attendant of the Roman war god Mars. ... Phobos shows striated patterns which are probably cracks caused by the impact event of the largest crater on the moon. ... The striking feature in this image is the giant Stickney crater. ... Courtesy NASA) . ... Because Phobos is only 28 by 20 kilometers (17 by 12 miles), the moon must have been nearly shattered from the force of the impact that caused the giant crater. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/phobos.htm -- 7.8 Кб -- 15.10.1997
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6913. Phobos 1 & 2 to Mars
Phobos 1 and 2 to Mars . ... Launch Date: July 7, 1988 (Phobos 1) and July 21, 1988 (Phobos 2) . ... Phobos 1, and its companion spacecraft Phobos 2, were the next-generation in the Venera-type planetary missions, succeeding those last used during the Vega 1 and 2 missions to comet P/Halley . ... perform observations of the Sun ; . ... Below these were mounted four spherical tanks containing hydrazine for attitude control and, after the main propulsion module was to be jettisoned, orbit adjustment. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/phobos12.htm -- 4.6 Кб -- 15.10.1997
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6914. Saturn's Moon Phoebe
Phoebe . Saturn IX . Phoebe [FEE-bee] is the last of the known satellites of Saturn, at a distance of 12.952 million kilometers (8 million miles). Phoebe orbits Saturn in a retrograde direction (opposite to the direction of the other satellites' orbits) in a plane much closer to the ecliptic than to Saturn's equatorial plane. ... Scientists believe that Phoebe may be a captured asteroid with a composition unmodified since the time it was formed in the outer Solar System . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/phoebe.htm -- 5.2 Кб -- 15.10.1997
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6915. Galileo Returns New Insights into Callisto and Europa
... Jupiter's icy moon Europa has a metallic core and layered internal structure similar to the Earth's , while the heavily cratered moon Callisto is a mixture of metallic rock and ice with no identifiable central core, according to new results from NASA's Galileo mission . In addition, recent plasma wave observations from Galileo show no evidence of a magnetic field or magnetosphere around Callisto, but do hint at the prospect of a tenuous atmosphere. ... Jupiter Galileo . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/galpr8.htm -- 6.3 Кб -- 15.10.1997
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6916. Neptune
... Rings of Neptune . ... Methane gives Neptune its blue cloud color. Neptune is a dynamic planet with several large, dark spots reminiscent of Jupiter's hurricane-like storms. ... One of the great cloud features, dubbed the Great Dark Spot by Voyager scientists, can be seen toward the center of the image. ... This Voyager 2 image has been processed by computers so that both the clouds' structure in the dark regions near the pole and the bright clouds east of the Great Dark Spot are visible. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/neptune.htm -- 19.2 Кб -- 15.10.1997
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6917. Neptune's Moon Nereid
Nereid . Neptune II . Nereid [NEER-ee-ed] was discovered in 1949 by astronomer Gerard Kuiper. Nereid is about 340 kilometers (210 miles) in diameter and is so far from Neptune that it requires 360 days to make one orbit. Voyager's best photos of Nereid were taken from about 4.7 million kilometers (2.9 million miles). ... Its distance to Neptune ranges from about 1,353,600 kilometers (841,100 miles) to 9,623,700 kilometers (5,980,200 miles). ... 1949 . ... Orbital period (days) . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/nereid.htm -- 4.0 Кб -- 15.10.1997
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6918. What's New
What's New in Views of the Solar System . ... Orthographic Image of Miranda . ... A new Hubble Space Telescope image of Asteroid Vesta was added on 9/9/97. ... A press release on " New Images Hint at Wet and Wild History For Europa ", along with seven new Galileo Images of Europa were added on 4/14/97. ... A page of Additional Galileo Images of Europa was added on 1/21/97. ... A page of Galileo Images of Io was added on 11/14/96. ... A galileo temperature map image of Ganymede was added on 9/27/96. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/new.htm -- 14.9 Кб -- 15.10.1997
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6919. Uranus' Moon Oberon
Oberon . Uranus IV . Oberon [O-buh-ron] is a moon of Uranus that is characterized by an old, heavily cratered, and icy surface. The surface shows little evidence of internal activity other than some unknown dark material that apparently covers the floors of many craters. The above image shows several large impact craters towards the center of the image. ... This image of Oberon shows several large impact craters towards the center of the picture. ... Polar Stereographic Map of Oberon . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/oberon.htm -- 5.5 Кб -- 15.10.1997
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6920. Uranus' Moon Ophelia
Ophelia . Uranus VII - 1986U8 . ... Ophelia is one of the smaller moons in the Solar System and is the second innermost known moon of Uranus. It has a diameter of 16 kilometers and is 53,760 kilometers from the center of Uranus. Cordelia acts as the outer shepherd satellite for Uranus' epsilon ring. ... Equatorial radius (km) . ... Mean density (gm/cm^3) . Mean distance from Uranus (km) . ... Rotational period (days) . Orbital period (days) . ... Mean orbital velocity (km/sec) . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/ophelia.htm -- 3.7 Кб -- 15.10.1997
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