... Crater On Ice . ... Credit Copyright: Galileo Team , JPL , NASA Explanation: Impact craters are common on Earth's moon but on Jupiter's large ice moon Europa , they are very rare. ... The icy crust of Europa is of great interest, as evidence mounts that it covers an ocean of liquid water, possibly providing suitable conditions for life. ... Publications with keywords: Jupiter - Europa - ice - ocean - crater . Publications with words: Jupiter - Europa - ice - ocean - crater . ... A Colorful Moon . ...

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• Астронет > Crater On Ice
• Ancient Craters on Saturns Rhea
• Ancient Craters of Southern Rhea

... 2000 July 14 . Crater On Ice . ... Explanation: Impact craters are common on Earth's moon but on Jupiter's large ice moon Europa , they are very rare. ... This false-color infrared image from the Galileo spacecraft's NIMS instrument shows a newly discovered crater on Europa as a light red ring feature near center surrounding a dark core. ... Red colors in the image represent a relatively pure water ice composition while blue colors indicate that other minerals are present. ... About APOD | ...

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• APOD: 2004 January 16 - Martian Surface in Perspective
• APOD: June 10, 1999 - Mj lnir: Impact Crater
• APOD: 2003 February 21 - Melting Snow and the Gullies of Mars

. Latest HI Rez Visible Satellite Image . IR Enhanced Image of the PNW . (not always available - sorry) . 500 MB surface and the water vapor distribution: . Surface Pressures: . Extreme precipitation in 1995 and 1996 . Temperatures: Jan-Feb , Mar-Apr , May-Jun , July-August , Sept-Oct, Nov-Dec . Precipitation: Jan-Feb , Mar-Apr , May-Jun, July-Aug , Sept-Oct, Nov-Dec . Annual Precipitation Trends . The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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• Low Surface Brightness Galaxy Gallery

Next: A Universal Diagram for Up: ``Ecology'' of Magnetic Rotators Previous: The Corotation Radius . The interaction of a magnetic rotator with the surrounding plasma to a large extent depends on the relation between the four characteristic radii: the stopping radius, , the gravitational capture radius,   , the light cylinder radius,   , and the corotation radius,   . ... Hence, the classification of the interaction regimes may well mean the classification of magnetic rotators. ...

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• Seminars

Microsymposium 34, MS058, 2001 ANOMALIES OF THE MOON'S THERMAL EMISSION IN THE IR SPECTRAL RANGE (10.5 - 12.5 micron). ... Sternberg State Astronomical Institute, Moscow, 119899, Russia, pugach@sai.msu.ru Summary: New satellite measurements of the lunar-surface radiation temperature were used to construct the spatial angular function of thermal radiation of the Moon in the infrared (10.5-12.5 micron) spectral range. ... These thermal anomalies are observed only in the limited range of phase angles. ...

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• http://selena.sai.msu.ru/Pug/Publications/Pugacheva%20LPS%2041.pdf
• Родионова Жанна Федоровна
• Zhanna F. Rodionova

The Earth's magnetosphere global structure is conditioned by the interaction of the Solar wind and Earth's magnetic field. ... Solar wind (SW) - the region outside BS; . ... Auroral field lines (AUR) region - the funnel-shape cavity restricted by the geocentric distance of the order of 6 RE, between surfaces formed by magnetic field lines emerged from the polar and equatorial OVAL borders; . ... Fairfield D.H., Average and unusual location of the Earth's magnetopause and bow shock, J. Geophys. ...

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• FAQ: "Exploration of the Earth's Magnetosphere"
• Current missions and experiments
• FAQ: "The Great Magnet, the Earth"

Astronotes Armagh Planetarium's Stellar Blog! ... This image combines orbital imagery with 3-D modelling to show flows that appear in spring and summer on a slope inside Mars' Newton crater. ... Warm season flows on a slope in Newton Crater, possible evidence of salty liquid water active on Mars today. Image credit: NASA) . ... Frozen water is common on and under the surface of Mars but these images are the best evidence to date for the presence of liquid water on the Martian surface today. ...

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• How has Mars changed over billions of years? | Astronotes
• Most Earth-like exoplanet found by ESO | Astronotes
• The Many Faces of the Solar System | Astronotes

This page provides explanatory text for the dials shown on the Rice Current Solar Wind Conditions and Current Solar Wind Conditions (Dials Only) webpage. These dials use the last good received set of measurements from the Real Time Solar Wind package on the Advanced Composition Explorer (ACE) spacecraft. ... Measured) This quantity is the number of solar wind protons per unit volume as measured by the ACE Solar Wind Electron Proton Alpha Monitor (SWEPAM) . ... It is measured by ACE/SWEPAM. ...

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• REMOTE SENSING OF OCEAN SURFACE STATE
• Saturn's Moon Dione
• Why do people want to explore Mars

New Images Hint at Wet and Wild History For Europa . Chunky ice rafts and relatively smooth, crater-free patches on the surface of Jupiter's frozen moon Europa suggest a younger, thinner icy surface than previously believed, according to new images from Galileo's spacecraft released today. ... These features, which lend credence to the idea of hidden, subsurface oceans, also are stirring up controversy among scientists who disagree about the age of Europa's surface. ... Europa . ...

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• Saturn's Moon Dione
• Martian Clouds
• APOD: December 8, 1996 - Degas Ray Crater on Mercury

Comets as the Object of Investigation. ... Stratification of Comets Atmospheres and Their Chemical Structure. ... Formation and Change of Surface Dust Layer of Periodical Comets' Nucleas and Their Evolution in Solar Radiation Field. ... Dynamics of Matter in Near-Nuclear Region of Comet Atmosphere in Adiabatic Approximation. ... Kinetic Theory of Gas Stream in Region of Transition between Condition of Continuum to Free-Moleculte Stream. ... Free-Moleculte Stream of Neutral Gas in Comet Atmosphere. ...

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• Theoretical Astrophysics

... For SIMS (Secondary Ion Mass Spectrometry) analysis, a solid surface is bombarded by primary ions of some keV energy. ... The subsequent mass analysis of the emitted ions provides detailed information on the elemental and molecular composition of the surface. ... Extremely short ion pulses with a duration below . ... By rastering a fine-focussed ion beam over the surface, like an electron beam in an electron microprobe, mass resolved secondary ion images (chemical maps) can be obtained...

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• LEK - Info
• SPECIALITY 01.04.07 - CONDENSED MATTER PHYSICS SUPPLEMENTARY PROGRAM

. A 3-D image of an impact crater in the Nilosyrtis area on the martian surface shows long pipe-like ridges, fossilized evidence of ancient subsurface water flow. // Credit: NASA Mars Reconnaissance Orbiter

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• Mars rover arrives at new site on martian surface | Astronomy.com
• Hadley Crater provides deep insight into martian geology | Astronomy.com
• Antarctic fungi survive martian conditions on ISS | Astronomy.com

... Space Telescope Science Institute and Johns Hopkins University . A multidisciplinary course exploring the origins of life, planetary formation, Earth's evolution, extrasolar planets, habitable zones, life in extreme environments, the search for life in the Universe, and space missions. DiRuggiero, Norman, and others, 3 credit hours. ... The JHU Department of Earth and Planetary Sciences also offers courses that may be of interest to students interested in astrobiology: . ...

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• Cool dust heating and temperature mixing in nearby star-forming galaxies
• A detailed study of the radio-FIR correlation in NGC 6946 with
• HST this week: 113

The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...

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• jupitere
• moonkratluchie
• saturne

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Investigations of the ionospheric response to strong magnetics storms which are usual for our latitudes, are of great interest. ... In the figure, we present ionospheric parameter dynamics during three perturbed days in July 2000. ...

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• East Siberian Center for the Earth's Ionosphere Research. Capabilities and
• East Siberian Center for the Earth's Ionosphere Research. Work performance
• East Siberian Center for the Earth's Ionosphere Research. SW radiosignal

... The storm began quite unexpectedly. The strongest geomagnetic storm for the last seven months began on Earth almost precisely at the same time as the solar eclipse reached its maximal stage, the culmination of which occurred at GMT 02:35 (06:35 Moscow time). ... Oscillations of such amplitude in the magnetic field have not been observed since October, 11th of last year, which is more than seven months ago. ... We can only add that the magnetic storm lasted approximately 9 hours. ...

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• The CORONAS-PHOTON has registered the formation of the Sun's southern belt of

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Site Info . ... It is from from Voyager 1 and shows a whopping big impact crater dominating the profile of the moon. Note that Mimas is about 400 kilometers across (about 250 miles). ... The wall around the crater is 5 kilometers high, and that central peak rises 6 kilometers above the surface (many impact craters have a large central peak which is caused by a pressure rebound from the impact). ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bad TV

... 2014: . Suppression of cooling by strong magnetic fields in white dwarf stars . ... 69, 439, 2014. Evidence of supercritical accretion in SS433 . ... We discovered a flat portion (white noise) in the power spectrum of SS433 due to an abrupt increase of the disk thickness in the supercritical region. ... Both the hard X-ray radiation and the visual light are seen reflected from the walls of the funnel that forms in the wind of the supercritical disk of SS433. ... Archive . ...

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• Galaxy sector, archive 2012
• HD965
• Suppression of cooling by strong magnetic fields in white dwarf stars

... Venus is a geologist's dream planet.' ... Because Venus is so similar in diameter and mass to our world, and also has a gaseous atmosphere, it has been called the Earth's "sister planet''. ... New radar images of Venus, just returned from NASA's Magellan spacecraft orbiting the planet, have provided astronomers the clearest view ever of its surface, revealing unique geological features, meteor impact craters, and evidence of volcanic eruptions different from any others found in the solar system. ...

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• ASP: Cosmic Collisions
• ASP: Star Science in the Autumn Sky
• ASP: The topsy-turveying of planets, stars, and lava lamps

Next: MASSES Up: EXTREME HELIUM STARS: PULSATION Previous: STELLAR PROPERTIES . ... Following main-sequence evolution, a red giant star in a close binary system may expand to fill its Roche lobe. ... Although Iben & Tutukov (1984) used this model to account for the EHes, the latter are not binaries (Jeffery et al. ... Final helium-shell flash in a post-AGB star. ... Accretion from the disk onto the surviving WD creates a star with a degenerate CO core and a helium envelope. ... Other models. ...

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• Armagh Observatory
• STELLAR PROPERTIES
• EXTREME HELIUM STARS