... A Close Up of Aurora on Jupiter . ... Oceans Under Jupiter's Ganymede . ... The search for extraterrestrial life came back into our own Solar System last week with the announcement that there may be liquid oceans under the surface of Jupiter's moon Ganymede. Ganymede now joins Callisto and Europa as moons of Jupiter that may harbor seas of liquid water under layers of surface ice. M2 9: Wings of a Butterfly Nebula . ... Degas Ray Crater on Mercury . ... Jupiter Eyes Ganymede . ...

Еще в разделе: (Показать все результаты (>104603) - www.astronet.ru/ )

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

Еще в разделе: (Показать все результаты (>2826) - star.arm.ac.uk/ )

• Observing alert: has Jupiter been hit? | International Year of Astronomy in
• Jupiter to occult star on the night of 3 to 4 August | International Year of
• Observing Jupiter | International Year of Astronomy in Ireland | Astronomy 2009

Ganymede . ... Ganymede Statistics . ... Hubble Finds Ozone on Jupiter's Moon Ganymede . ... Like Callisto , Ganymede is most likely composed of a rocky core with a water/ice mantle and a crust of rock and ice. ... Ganymede's mantle is most likely composed of ice and silicates, and its crust is probably a thick layer of water ice. ... Ganymede's surface is rich in water ice and Voyager and Galileo images show features which are evidence of geological and tectonic disruption of the surface in the past. ...

Еще в разделе: (Показать все результаты (>951) - www.iki.rssi.ru/ )

• Jupiter Moon Callisto
• Table of Contents
• Chain of Impact Craters Suggested by Spaceborne Radar Images

Ganymede . ... Ganymede Statistics . ... Hubble Finds Ozone on Jupiter's Moon Ganymede . ... Like Callisto , Ganymede is most likely composed of a rocky core with a water/ice mantle and a crust of rock and ice. ... Ganymede's mantle is most likely composed of ice and silicates, and its crust is probably a thick layer of water ice. ... Ganymede's surface is rich in water ice and Voyager and Galileo images show features which are evidence of geological and tectonic disruption of the surface in the past. ...

Еще в разделе: (Показать все результаты (>7094) - www.arcetri.astro.it/ )

• Hubble Observations Shed New Light on Jupiter Collision
• Jupiter Moon Callisto
• Hubble Finds Oxygen Atmosphere On Jupiter's Moon Europa

... 2002 April 13 . Pwyll: Icy Crater of Europa . Credit: PIRL , Galileo Project , NASA . Explanation: The impact crater Pwyll (a name from Celtic Mythology ) is thought to represent one of the youngest features on the surface of Jupiter's moon Europa . A combination of color and high resolution black and white data from NASA's Galileo spacecraft was used to produce this view looking down on the crater with the sun illuminating the scene from the right. ... About APOD | ...

Еще в разделе: (Показать все результаты (>3373) - www.sai.msu.su/ )

• APOD: April 17, 1997 - Pwyll: Icy Crater of Europa
• APOD: 2000 July 14 - Crater On Ice
• APOD Index - Solar System: Jupiter

Ganymede is the largest moon in our solar system, larger even than the planets Pluto and Mercury. ... Ganymede's surface consists of two main types of terrain: old, dark polygonal units, and young, bright valleys and ridges (see figure 11 ). ... In a similar way, hitting a large block of ice with a hammer makes white marks. ... Ganymede as seen by Voyager 2. ... Because Voyager couldn't spot any large impact craters, scientists have concluded that the moon's surface is young. ... Moon . ... Europa . ...

Еще в разделе: (Показать все результаты (>1333) - www.astrosociety.org/ )

• ASP: The Comet About to Smash into Jupiter
• ASP: Cosmic Collisions
• ASP: Astronomy in the News

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Impact sur Jupiter€а: cтАЩ†йtait un ast†йro†пde . ... Un ast†йro†пde €л€аde la taille du Titanic€а€Ё est †а lтАЩorigine de la tache sombre apparue dans lтАЩatmosph†иre de Jupiter le 19 juillet 2009. ... Une explosion sur Jupiter ...

Еще в разделе: (Показать все результаты (>1393) - www.cieletespace.fr/ )

• Observez l'impact m†йt†йoritique sur Jupiter ! | Ciel et Espace
• Les ast†йro†пdes percutent Jupiter plus souvent que pr†йvu | Ciel et Espace
• Un impact record vu en direct sur la Lune | Ciel et Espace

... Study of charged particles dynamics in magnetic field under microgravity conditions ( «Kulonovskiy Kristall» ) . Basic research of charged particles behavior mechanism under microgravity conditions . ... Testing the methods and aids to conduct biotechnological studies under space flight conditions . ... Development of the methods and onboard techniques to provide aseptic conditions for conduct of biotechnological experiments under manned space flight conditions ( «Aseptic» ) . ...

Еще в разделе: (Показать все результаты (>3539) - www.energia.ru/ )

• S.P. Korolev RSC Energia - International Space Station

... 2005 Some important issues Europa moves relative to magnetospheric magnetic field with velocity ~ 105 km/sec (subsonic velocity ) Europa has induced magnetosphere and Alfven wings Europa has atmosphere (51014 cm-2) and ionosphere (~103 ­ 104 cm-3) Energetic particles hit Europa's surface that leads to sputtering rate of ~31027 molecules/sec Europa is an important source of neutrals particles (50kg of 2) and ionized ...

Еще в разделе: (Показать все результаты (>1076) - www.cosmos.ru/ )

• http://www.iki.rssi.ru/conf/2009elw/presentations/presentations_pdf/session5/Patterson_ELW.pdf
• http://www.iki.rssi.ru/conf/2009elw/presentations/presentations_pdf/session7/Gowen_ELW.pdf
• The Radiation Belt -- History

... Berezhnoi A.A., Klumov B.A., Shevchenko V.V., Fortov V.E. Collision of a comet with Jupiter: Determination of fragment penetration depths from the molecular spectra, JETP Letters, V. 63, No. 6, p. 405-410, 1996 . ... Berezhnoi A.A., Klumov B.A., Shevchenko V.V., Fortov V.E. Shock chemistry in Jovian atmosphere following SL9 impacts, International Conference on the SL9-Jupiter Collision, I-2, July 3-5, 1996, Meudon, France . ... Berezhnoi A.A., Klumov B.A. Lunar ice: Can its origin be determined? ...

Еще в разделе: (Показать все результаты (>137) - selena.sai.msu.ru/ )

• Aleksei A. Berezhnoi

... Tonight's Sky . ... US state, Canadian province, or country . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... space flight . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... international space station . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

Еще в разделе: (Показать все результаты (>6425) - www.astronomy.com/ )

• International Center for Radio Astronomy Research, Perth, Western Australia |
• International Astronomical Union | Astronomy.com
• SETI International, San Francisco, California | Astronomy.com

... 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. ...

Еще в разделе: (Показать все результаты (>238) - www.badastronomy.com/ )

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to La Silla . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Images . ... Star Clusters . ... Usage of ESO Images and Videos . ... Usage of ESO Videos and Images . ... Stars@ESO . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... Deep Impact - 04.07.2005 . ... SL-9 and Jupiter - 1994 . ... Observations of Shoemaker-Levy 9 impacting Jupiter. ...

Еще в разделе: (Показать все результаты (>65166) - www.eso.org/ )

• Images of Shoemaker-Levy 9 impact on Jupiter | ESO United States
• Impact on Jupiter | ESO
• ISAAC observes Jupiter Occultation | ESO

astronomy . Astro Courses . ... IYA 2009 . ... Armagh Planetarium is proud to be associated with the International Year of Astronomy 2009 (IYA2009) . IYA 2009 is a global year of events celebrating all things associated with the absorbing science that is astronomy. ... IYA 2009 Autumn/Winter events . ... Here at Armagh Planetarium one of our most important objectives is to promote formal and informal science education and there will be activities celebrating IYA 2009 throughout the year. ...

Еще в разделе: (Показать все результаты (>2787) - www.armaghplanet.com/ )

• Return to Comet Tempel 1 | Astronotes
• A Rolling Stone on the Moon | Astronotes
• The Mysterious Moons of Uranus | Astronotes

Hydrocode Modeling of a High-velocity Impact of an Asteroid Particle on a Steel Surface . ... Present work deals with physical-mathematical modeling of hyper-velocity impacts up to 80 km/s. This problem is very important for asteroid protection systems and other critical nuclear and military objects. ... As a result of modeling, new models and criteria of extreme states of solids will be developed to describe hyper-velocity impacts. ... The LS-DYNA 3D hydrocode was used. ...

Еще в разделе: (Показать все результаты (>393) - www.ipa.nw.ru/ )

• Keywords_396
• Keywords_206
• ACH-2009

... Samara State Aerospace University Staff Semkin Nikolay Danilovich . ... Semkin N.D. , Voronov K.E. , Telegin A.M. and others. ... 2015. ... Semkin N.D. , Telegin A.M. , Piyakov A. V. and others. ... Semkin N.D. , Telegin A.M. , Voronov K.E. Registering the Elemental Composition of Micrometeoroids and Debris // Protection of Materials and Structures From the Space Environment. 2013. ... Semkin N.D. , Telegin A.M. , Voronov K.E. and others. ... Voronov K.E. , Semkin N.D. , Telegin A.M. and others. ...

Еще в разделе: (Показать все результаты (>1888) - www.ssau.ru/ )

• Kolpakov Vsevolod Anatolevich
• Kalaev Mikhail Pavlovich
• SSAU will develop international cooperation in the field of additive

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Planetary Radar . Mercury . ... One of the major recent successes in the field of planetary radar astronomy was the discovery and mapping of deposits of volatiles on the shadowed floors of impact craters at the poles of Mercury. ... The figure shows the most recent Arecibo 12.6 cm wavelength radar image of the north polar region of Mercury made at a resolution of 1.5 km by J. Harmon (NAIC), P.Perrilat (NAIC) and M. Slade (JPL). ...

Еще в разделе: (Показать все результаты (>1740) - www.naic.edu/ )

• Jupiter's satellites National Astronomy and Ionosphere Center (Arecibo
• water ice on mercury
• Venus National Astronomy and Ionosphere Center (Arecibo Observatory)

... Jupiter. ... Determine the rate at which the dark cloud on the surface of Jupiter increased its length after the impact with the comet or asteroid by measuring the length of image fragments on the set of the 3 top images displayed on the right. ... The equatorial diameter of Jupiter is 143842 km. ... Comet. In the middle of July 2014, an automatic interplanetary spacecraft Rosetta of European Space Agency made the discovery that the comet 67P / Churyumov­ Gerasimenko had a bipartite nucleus. ...

Еще в разделе: (Показать все результаты (>1546) - www.issp.ac.ru/ )

• http://www.issp.ac.ru/journal/surface/
• Laboratory of spectroscopy of defect structures ISSP RAS
• X International Astronomy Olympiad

The rates of build-up in the atmosphere of human-made compounds that deplete the ozone layer (e.g., chlorofluorocarbons (CFCs) and halons) have slowed in recent years as a direct result of reductions in global emissions of these compounds. ... The peak global ozone depletions are expected to occur during the next several years. ... Methyl bromide continues to be viewed as a significant ozone- depleting chemical. ...

Еще в разделе: (Показать все результаты (>308) - zebu.uoregon.edu/ )

• Recently Acquired Images of SL9
• Low Surface Brightness Galaxy Gallery
• U of O Experimental High Energy Physics

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Radio emission from Jupiter was first serendipitiously discovered at decametric wavelengths by Franklin and Burke in 1955. ...

Еще в разделе: (Показать все результаты (>3805) - www.atnf.csiro.au/ )

• Highest energy particles project
• From the Director
• Archive of International Virtual Observatory Discussions Majordomo List