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36881. Meteoroids and Meteorites
... Stony iron meteorites (1.5%) . ... Some meteoriticists have suggested that the different properties found in various chondrites suggest the location in which they were formed. ... Iron Meteorite . This iron meteorite was found at Derrick Peak, Antarctica. ... This meteorite is assumed to be a sample of the crust of the asteroid Vesta , which is only the third solar system object beyond Earth where scientists have a laboratory sample (the other extraterrestrial samples are from Mars and the Moon). ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/meteor.htm -- 15.2 Кб -- 15.03.1998
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~baffa/Astro/solar/eng/meteor.htm -- 15.2 Кб -- 15.03.1998
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36882. 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.arcetri.astro.it/irlab/Astro/solar/eng/pasiphae.htm -- 4.3 Кб -- 15.03.1998
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36883. 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.arcetri.astro.it/irlab/Astro/solar/eng/phobos12.htm -- 5.4 Кб -- 15.03.1998
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36884. Saturn's Satellite Prometheus
... Prometheus [pra-MEE-thee-us] is the third of Saturn's known satellites. ... Prometheus acts as a shepherd satellite for the inner edge of Saturn's F Ring . ... Shaded Relief Map of Prometheus . This image is a shaded relief map of Prometheus, the inner F Ring Shepherd satellite of Saturn. As with all maps, it is the cartographer's interpretation and not all features are necessarily certain given the limited data available. ... This image shows Prometheus and Pandora next to Saturn's F-ring. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/promethe.htm -- 8.0 Кб -- 15.03.1998
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36885. Sakigake
Japanese Probe to Halley's Comet . Courtesy of NASA's National Space Science Data Center . Sakigake is a test spacecraft similar to Suisei (Planet-A). It flew by comet P/Halley on its sunward side at a distance of about 7 million kilometers (4.4 million miles) on March 11, 1986. ... Sakigake made an Earth swingby on January 8, 1992. The closest approach was at 23 hours, 8 minutes, 47 seconds Japan Standard Time with a geocentric distance of 88,997 kilometers (55,303 miles). ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/sakigake.htm -- 4.4 Кб -- 15.03.1998
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36886. Jupiter's Moon Sinope
Sinope . Jupiter IX . Sinope [sah-NOH-pee] is the outermost known satellite of Jupiter. Very little is known about Sinope. Sinope 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) . ... Jupiter Pasiphae . ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/sinope.htm -- 4.2 Кб -- 15.03.1998
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36887. Terrestrial Volcanoes
... What Is An Eruption? ... Terrestrial Volcanoes Image and Animation Index . ... Volcanic Eruption on Iceland . ... Oceanic volcanoes fed by "hot spots" in the crust commonly have frequent non-explosive eruptions of slow-moving basaltic lava . ... Eruptions may come along only decades apart, but not always from the same volcano. ... The main volcanic crater on Mount Pinatubo produced by the June 1991 eruptions, and the steep slopes on the upper flanks of the volcano, are easily seen in this image. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/tervolc.htm -- 22.4 Кб -- 15.03.1998
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36888. Asteroid Toutatis
... Asteroid 4179 . ... The vast majority of asteroids, and all the planets, spin about a single axis, like a football thrown in a perfect spiral, but Toutatis tumbles like a flubbed pass," said Dr. Scott Hudson of Washington State University. ... This image shows the shape and non-principal-axis spin state of asteroid 4179 Toutatis rendered at a particular instant. ... This image shows the non-principal-axis spin state of asteroid 4179 Toutatis at one-day intervals (from left to right, top to bottom). ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/toutatis.htm -- 12.5 Кб -- 15.03.1998
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36889. Uranus
... Uranus' Rings . ... Rings of Uranus . ... Methane in the upper atmosphere absorbs red light, giving Uranus its blue-green color. ... This view of Uranus was acquired by Voyager 2 in January 1986. ... These two pictures of Uranus, one in true color (left) and the other in false color, were compiled from images returned January 17, 1986, by the narrow-angle camera of Voyager 2. ... Pseudo-image of Uranus' Ring . This pseudo-image of Uranus' rings was generated by using Voyager 2 frame FDS 26852.19. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/uranus.htm -- 22.4 Кб -- 15.03.1998
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36890. Venera 5
Courtesy of NASA's National Space Science Data Center . ... Venera 5 was launched from a Tyazheliy Sputnik (69-001C) towards Venus to obtain atmospheric data. The spacecraft was very similar to Venera 4, although it was of a stronger design. When the atmosphere of Venus was approached, a capsule weighing 405 kg and containing scientific instruments was jettisoned from the main spacecraft. During satellite descent towards the surface of Venus, a parachute opened to slow the rate of descent. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/venera5.htm -- 3.4 Кб -- 15.03.1998
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36891. Precursors to the Landing Missions
... Apollos 7 and 8: Flying the Command Module . ... In large measure, of course, the success of the Apollo landing missions was due to lessons learned and experiences gained during the unmanned and manned missions that preceded them. ... When the crew of Apollo 10 - Commander Tom Stafford, Command Module Pilot John Young, and Lunar Module Pilot Gene Cernan - was announced on November 13, 1968, the NASA press release listed possible missions ranging "from Earth orbital operations to a lunar orbit flight...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/apopre.htm -- 25.8 Кб -- 15.03.1998
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36892. Uranus' Moon Ariel
Ariel . ... Ariel [AIR-ee-al] is a relatively small satellite and is the brightest moon of Uranus. ... This image of Ariel shows a world pock-marked with craters. ... This image is a mercator map of Ariel. ... This image is a polar stereographic map of the southern hemisphere of Ariel. ... This image is an orthographic view of Ariel centered at -66 degrees latitude and 316 degrees longitude. ... This image of Ariel is at the same geometry of the highest resolution mosaic of Ariel taken by Voyager. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/ariel.htm -- 7.8 Кб -- 15.03.1998
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36893. Copyright Information
... Copyright of Images . I would like to thank each one of you who has taken the time to browse through this tour of the solar system. ... Here are some general conditions for use of this information. The Views of the Solar System web site along with many of the images and information are copyrighted by Calvin J. Hamilton . Many of the images come from NASA or other government sources and are in the public domain. ... Any NASA or JPL image can be freely used, but please give them credit. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/copyright.htm -- 7.5 Кб -- 15.03.1998
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36894. Saturn's Moon Enceladus
Enceladus . ... Enceladus [en-SELL-ah-dus] is one of the innermost moons of Saturn. ... Parts of Enceladus shows craters no larger than 35 km in diameter. ... This Voyager 2 mosaic of Enceladus was made from images taken through the clear, violet and green filters on August 25, 1981, from a distance of 119,000 kilometers (74,000 miles). ... This image was created by projecting a digital map of Enceladus onto an orthographic view and then replacing the color channels by low resoultion color images. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/enceladu.htm -- 8.8 Кб -- 15.03.1998
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36895. Galileo Finds Giant Iron Core in Jupiter's Moon Io
Galileo Finds Giant Iron Core in Jupiter's Moon Io . Jupiter's volcano-pocked moon Io has been found by NASA's Galileo spacecraft to have a giant iron core that takes up half its diameter, scientists report in today's issue of Science magazine. The spacecraft also has detected a large "hole" in Jupiter's magnetic field near Io, leading to speculation about whether Io possesses its own magnetic field. If so, it would be the first planetary moon known to have one. ... Space History Galileo . ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/galpr4.htm -- 9.7 Кб -- 15.03.1998
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36896. Jupiter's Europa Harbors Possible "Warm Ice" or Liquid Water
Jupiter's Europa Harbors Possible "Warm Ice" or Liquid Water . Tantalizing new images of Jupiter's moon Europa from NASA's Galileo spacecraft indicate that "warm ice" or even liquid water may have existed, and perhaps still exists today beneath Europa's cracked icy crust. ... This shows the ice crust has been or still is lubricated from below by warm ice or maybe even liquid water." ... We are interested in identifying the time and places on Europa where liquid water might exist. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/galpr5.htm -- 11.3 Кб -- 15.03.1998
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36897. Shoemaker-Levy 9 / Jupiter Impact
Shoemaker-Levy 9 / Jupiter Impact . ... Fragments of comet P/Shoemaker-Levy 9 collided with Jupiter on July 16-22, 1994. ... Fragment . ... These four images of Jupiter and the luminous night-side impact of fragment W of Comet Shoemaker-Levy 9 were taken by the Galileo spacecraft on July 22, 1994. ... This image of Jupiter shows the impact sites of fragments "D" and "G" from Comet Shoemaker-Levy 9. ... This image shows two views of the impact zone on Jupiter of fragment G of Comet Shoemaker-Levy 9. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/impact.htm -- 16.1 Кб -- 15.03.1998
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36898. Hubble Observations Shed New Light on Jupiter Collision
Hubble Observations Shed New Light on Jupiter Collision . Was it a comet or an asteroid? ... Their initial findings, combined with results from other space-borne and ground-based telescopes, shed new light on Jupiter's atmospheric winds, its immense magnetic field, the mysterious dark debris from the impacts, and the composition of the doomed comet itself. ... Hubble's ultraviolet observations show the motion of very fine impact debris particles now suspended high in Jupiter's atmosphere. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/levyhst.htm -- 10.3 Кб -- 15.03.1998
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36899. Mariner 4
Mariner 4 . ... It was designed to conduct closeup scientific observations of the planet Mars and to transmit these observations to Earth. Mariner 4 gave scientists their first glimpse of Mars at close range, passing over the planet at an altitude of 9,846 kilometers (6,118 miles) above the surface and putting to rest the myths of the late 19th century that the planet might have harbored an advanced civilization. ... Mariner 4 was launched November 28, 1964, on a 228-day mission to Mars. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/marin4.htm -- 5.3 Кб -- 15.03.1998
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36900. Mariner 5
Mariner 5 . ... The Mariner 5 spacecraft was the fifth in a series of spacecraft used for planetary exploration in the flyby mode. Mariner 5 was a refurbished backup spacecraft for the Mariner 4 mission and was converted from a Mars mission to a Venus mission. ... The closest flyby distance was 3,990 kilometers (2,480 miles) and, with more sensitive instruments than its predecessor, Mariner 5 was able to shed new light on the hot, cloud-covered planet and on conditions in interplanetary space. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/marin5.htm -- 4.7 Кб -- 15.03.1998
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