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6861. Saturn's Moon Titan
Titan . ... Hubble Space Telescope Images of Titan's surface . ... Later that year, it will release the European-built Huygens probe for a descent through Titan's atmosphere. ... This artist's rendering shows the European Space Agency's Huygens probe descending into the atmosphere of Saturn's moon Titan after being released by NASA's Cassini spacecraft. ... This artist's rendering shows the Huygens probe on the surface of Saturn's moon Titan after being released by NASA's Cassini spacecraft. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/titan.htm -- 11.2 Кб -- 15.10.1997
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6862. Uranus' Moon Titania
Titania . Uranus III . Titania [Ty-TAY-ne-ah] is the largest moon of Uranus. ... There are many faults on Titania indicating there has been internal forces molding its surface. ... Zero degrees longitude (the central longitude of the side that is facing Uranus) is at the top. Courtesy A.Tayfun Oner) . ... This crescent orthographic view of Titania is centered at 20 degrees north latitude and 340 degrees longitude. 340 degrees longitude is directed towards the right side of the image. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/titania.htm -- 6.5 Кб -- 15.10.1997
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6863. Titan Press Release
... UA SCIENTIST & TEAM DISCOVER SURFACE FEATURES COVER TITAN (Science contacts: Peter H. Smith, (602) 621-2725; Mark Lemmon, (602) 621-1485; UA Lunar and Planetary Laboratory) . Scientists for the first time have made images of the surface of Saturn 's giant, haze-shrouded moon, Titan. ... About three weeks before Cassini's first flyby of Titan, the spacecraft is to release the European Space Agency's Huygens Probe to parachute to Titan's surface. ... Upper left: hemisphere facing Saturn. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/titanpr.htm -- 8.3 Кб -- 15.10.1997
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6864. Table of Contents
Table of Contents . ... Image and Animation Index . Solar System Introduction . ... Educator's Guide to Convection . ... Chronology of Sun Exploration . ... Chronology of Mercury Exploration . ... Chronology of Venus Exploration . ... Mars . Mars Introduction . ... Selected Images from Mars Pathfinder . ... Chronology of Mars Exploration . ... Mars Image Browser . ... Galileo Spacecraft Press Releases and Information . ... Comets . ... Chronology of Comet Space Exploration . ... Introduction . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/toc.htm -- 13.7 Кб -- 15.10.1997
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6865. 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.iki.rssi.ru/solar/eng/toutatis.htm -- 11.6 Кб -- 15.10.1997
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6866. Neptune's Moon Triton
Triton . Neptune I . ... Voyager 2 images showed active geyser-like eruptions spewing nitrogen gas and dark dust particles several kilometers into the atmosphere. ... Voyager 2 obtained this color image of Neptune's large satellite Triton during its close flyby on Aug. ... The polar frosts were sublimating because Triton's orbital and rotational motion causes the sun to shine directly on the polar cap for a period of several decades during Neptune's and Triton's long austral summer. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/triton.htm -- 14.8 Кб -- 15.10.1997
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6867. Ulysses
... ESA/NASA Solar Probe . ... Mission Operations . ... Ulysses is a solar probe launched in 1990 that has made the first-ever measurements of the Sun from a polar orbit. ... Formerly called the International Solar-Polar Mission (ISPM), Ulysses is an exploratory mission carried out jointly by ESA and NASA. ... NASA provided the launch aboard the Space Shuttle Discovery (together with the upper-stage motor) and the spacecraft power generator, and is responsible for the remaining experiments. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/ulysses.htm -- 11.5 Кб -- 15.10.1997
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6868. Uranus' Moon Umbriel
Umbriel . Uranus II . Umbriel [UM-bree-ul] is the darkest satellite of Uranus. It is about the same size as Ariel and has about the same density. The surface appears to be old with large craters and does not change much from one location to another. Near the top is a puzzling bright ring called the fluorescent cheerio . ... Dark regions are represented as red and bright regions are represented as blue. The two white regions are bright ejecta from two fresh craters. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/umbriel.htm -- 5.5 Кб -- 15.10.1997
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6869. Sun
... Sun Image and Animation Index Additional Sun Resources . ... The Sun's outer visible layer is called the photosphere and has a temperature of 6,000?C (11,000?F). ... The corona is the outer part of the Sun's atmosphere. ... Sun's magnetic field, prominences, solar wind, aurora . ... This image of 1,500,000?C gas in the Sun's thin, outer atmosphere (corona) was taken March 13, 1996 by the Extreme Ultraviolet Imaging Telescope onboard the Solar and Heliospheric Observatory (SOHO) spacecraft. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/sun.htm -- 17.0 Кб -- 15.10.1997
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6870. Mars Global Surveyor
NASA Mars Orbiter . ... The Mars Global Surveyor mission is designed as a rapid, low-cost recovery of the Mars Observer mission objectives. The science objectives involve high resolution imaging of the surface, studies of the topography and gravity, the role of water and dust on the surface and in the atmosphere of Mars, the weather and climate of Mars, the composition of the surface and atmosphere, and the existence and evolution of the Martian magnetic field. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/survey96.htm -- 4.7 Кб -- 15.10.1997
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6871. Surveyor
... The Surveyor probes were the first U.S. spacecraft to land safely on the Moon . The main objectives of the Surveyors were to obtain close-up images of the lunar surface and to determine if the terrain was safe for manned landings. ... The successful missions and landing dates are: Surveyor 1 on June 2, 1966; Surveyor 3 on April 19, 1967; Surveyor 5 on September 10, 1967; Surveyor 6 on November 9, 1967; and Surveyor 7 on January 9, 1968. ... Surveyor 7 Panorama of Tycho Crater . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/surveyor.htm -- 5.7 Кб -- 15.10.1997
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6872. Saturn's Trojan Moons
Telesto & Calypso . Telesto [tah-LESS-toh] and Calypso [ka-LIP-so] are called the Tethys Trojans because they circle Saturn in the same orbit as Tethys , about 60 degrees ahead of and behind that body. Telesto is the leading Trojan and Calypso is the trailing Trojan. ... Telesto Statistics . ... Radius (km) . ... Radius (Earth = 1) . ... Mean density (gm/cm^3) . Mean distance from Saturn (km) . ... Rotational period (days) . Orbital period (days) . ... Mean orbital velocity (km/sec) . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/telesto.htm -- 5.1 Кб -- 15.10.1997
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6873. Terrestrial Impact Craters
... Terrestrial Impact Craters (This Page) . ... Views of Terrestrial Craters . ... On Earth, this transition diameter is 2 to 4 kilometers (1.2 to 2.5 miles) depending on target rock properties; on the Moon, at one-sixth Earth's gravity, the transition diameter is 15 to 20 kilometers (9 to 12 miles). ... Although it could be mistaken for the crater rim, the central ring of hills (5 kilometers or 3 miles diameter) results from differential erosion of the central uplift within this large complex crater. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/tercrate.htm -- 23.1 Кб -- 15.10.1997
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6874. Terms and Definitions
... Reflectivity of an object; ratio of reflected light to incident light. albedo feature . ... The point that is directly on the opposite side of the planet; e.g., the Earth's north pole is antipodal to its south pole. aphelion . The point in its orbit where a planet is farthest from the Sun. apoapsis . ... Jovian planet . ... The planets Mars, Jupiter, Saturn, Uranus, Neptune and Pluto are superior planets because their orbits are farther from the Sun than Earth's orbit. synchronous orbit radius . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/terms.htm -- 43.5 Кб -- 15.10.1997
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6875. 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.iki.rssi.ru/solar/eng/tervolc.htm -- 21.2 Кб -- 15.10.1997
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6876. Saturn's Moon Tethys
Tethys . Saturn III . ... Tethys's icy surface is heavily cratered and contains cracks caused by faults in the ice. ... Tethys' surface temperature is -187? C (-305? F). Tethys Statistics . ... Mean density (gm/cm^3) . ... Mean distance from Saturn (km) . ... Orbital period (days) . ... Mean orbital velocity (km/sec) . ... Mean surface temperature . ... This view of Tethys was taken by Voyager 2 on August 26, 1981. ... Credit: Calvin J. Hamilton) . ... Copyright © 1997 by Calvin J. Hamilton . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/tethys.htm -- 5.5 Кб -- 15.10.1997
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6877. Neptune's Moon Thalassa
Thalassa . Neptune IV - 1989N5 . Thalassa appears to be about 80 kilometers (50 miles) in diameter. It orbits Neptune in 7 hours, 30 minutes about 25,200 kilometers (15,700 miles) above the cloud tops. ... Thalassa circles the planet in the same direction as Neptune rotates. The above image has been slightly smeared so that Thalassa appears highly elongated. ... Equatorial radius (km) . ... Mean density (gm/cm^3) . ... Rotational period (days) . Orbital period (days) . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/thalassa.htm -- 3.7 Кб -- 15.10.1997
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6878. Thought-Provoking Imagery Shows Sun's Place in the Galaxy
Thought-Provoking Imagery Shows Sun's Place in the Galaxy . ... SOHO - Explosive Coronal Mass Ejections from the Sun . SOHO-6 Comet at 2-6 solar radii from the Sun . ... The remarkable images come from SOHO's visible-light coronagraph, LASCO, which is able to mask the intense rays from the Sun's surface in order to reveal the much fainter glow of the solar atmosphere, or corona. ... SOHO is ideally placed to report and even anticipate their origins in the Sun's atmosphere. ... The Sun . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/sohopr1.htm -- 9.8 Кб -- 15.10.1997
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6879. The Solar System
... Multiwavelength Milky Way . Our solar system consists of an average star we call the Sun , the planets Mercury , Venus , Earth , Mars , Jupiter , Saturn , Uranus , Neptune , and Pluto . ... The whole solar system, together with the local stars visible on a clear night, orbits the center of our home galaxy, a spiral disk of 200 billion stars we call the Milky Way . ... The terrestrial planets are the four innermost planets in the solar system, Mercury , Venus , Earth and Mars . ... Earth's) . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/solarsys.htm -- 17.4 Кб -- 15.10.1997
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6880. Solar Max
USA Solar Mission . Courtesy of NASA's National Space Science Data Center . The Solar Maximum Mission (SMM) was designed to provide coordinated observations of solar activity, in particular solar flares, during a period of maximum solar activity. ... Complementary studies were made as part of the SMM guest investigator program, and coordinated in situ measurements of flare particle emissions were made from the ISEE 3 spacecraft. The spacecraft was launched on February 14, 1980. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/solmax.htm -- 3.6 Кб -- 15.10.1997
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