... Ancient Craters of Southern Rhea . ... Credit Copyright: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: Saturn's ragged moon Rhea has one of the oldest surfaces known. ... Like Earth's Moon , Rhea's rotation is locked on Saturn, and the above image shows part of Rhea's surface that always faces Saturn. Rhea's leading surface is more highly cratered than its trailing surface. ... The above image was taken by the robot Cassini spacecraft now orbiting Saturn. ... Io: Moon Over Jupiter . ...

... 2008 May 13 . Ancient Craters of Southern Rhea . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . Explanation: Saturn's ragged moon Rhea has one of the oldest surfaces known. ... Like Earth's Moon , Rhea's rotation is locked on Saturn, and the above image shows part of Rhea's surface that always faces Saturn. Rhea's leading surface is more highly cratered than its trailing surface. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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. ...

... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

... Kirby, E., Jerjen, H., Ryder, S., Driver, S., Deep Near-IR Surface Photometry of 57 Galaxies in the Local Sphere of Influence , AJ, 136, 1866 (2008) . Kirby, E., Jerjen, H., Ryder, S., Driver, S., 2007, to appear in proceedings of "Galaxies in the Local Volume", Sydney, July 2007 (astro-ph/ 0709.2192 ) Deepest Near-IR Surface Photometry of Galaxies in the Local Sphere of Influence . Kirby, E., Jerjen, H., Ryder, S., Driver, S., The Maximum Baryonic Content of a Galaxy , in preparation . ...

... Star Atlas . ... stars . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Proxima Centauri is a red dwarf star, so would it appear red from the surface of an Earth-like planet in that star's habitable zone? ... Astronomers haven t found planets around our Sun s nearest neighbor, the red dwarf Proxima Centauri. ... Most exoplanets orbit red dwarfs the most common and longest-lived type of star. ... Get instant access to subscriber content on Astronomy.com! ...

... F. Rodionova and E. A. Kozlova . ... Sternberg State Astronomical Institute, 119899, Moscow, Russia; jeanna@sai.msu ru. ... Brown University - Vernadsky Institute Microsymposium 34, October 8-9, 2001, Moscow, Russia . ... Brown University - Vernadsky Institute Microsymposium 38, October 27-29, 2003, Moscow, Russia . ... Brown University - Vernadsky Institute Microsymposium 40, 2004, Moscow, Russia . ... 1 Sternberg State Astronomical Institute Lomonosov Moscow University, Russia; marss8@mail.ru . ...

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. ...

... Long-Term Observations of the Evolution of the Southern Seasonal Cap of Mars: Neutron Measurements by the HEND Instrument onboard the 2001 Mars Odyssey Spacecraft, M. L. Litvak, I. G. Mitrofanov, A. S. Kozyrev, A. B. Sanin, V. I. Tret’yakov, W. V. Boynton, D. Hamara, and S. Saunders, , Solar System Research, Issue 5, Vol 41, 385, 2007 . ... Comparison between polar regions of Mars from HEND/Odyssey data, Литвак М . ... Исследования Солнечной системы, 2003, т. 37, вып. 5, стр. 378-386. (on Russian) ....

... The Russian TESIS/ CORONAS-PHOTON Solar Observatory, which has been working in orbit since January 30th, 2009, has photographed one of the most important events in the build up to the upcoming solar cycle - the formation of our star's new southern belt of activity. The first magnetic fields of the new cycle in the southern hemisphere appeared on the Sun's surface on May 23-24th. ... The belt of activity is one of the primary concepts, characterizing the solar cycle. ...

... Z., to appear; 3. ... D. Crowley, S. Ferry, M. Skopenkov, The rational classification of links in codimension > 2, Forum Math., to appear; 6. D. Repov M. Skopenkov, F. Spaggiary, On the Pontryagin­Steenrod­Wu theorem, Israel J.Math. 145 (2005), 341­347; s, 7. M. Cencelj, D. Repov M. Skopenkov, Classification of knotted tori in the 2-metastable dimension, Sbornik Math., to s, appear; 8. ... M. Cencelj, D. Repov M. Skopenkov, Classification of framed links in 3-manifolds, Proc. Indian Acad. ...

... Data Reduction FAQ > The reduced science spectrum displayed in the Reflex window appears good but when I try to plot it, it is quite different. How can I get it? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Reflex . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... ESO Annual Reports . ... Seminars at ESO Santiago . ... Seminars at ESO Garching . ... ESO Telescope Bibliography . ... Last Update: 01.04.14 ESO . ...

... Dione's icy surface includes heavily cratered terrain, moderately cratered plains, lightly cratered plains, and whispy material. The heavily cratered terrain has numerous craters greater than 100 kilometers in diameter. ... Much of the heavily cratered terrain is located on the trailing hemisphere , with the less cratered plains area existing on the leading hemisphere . ... Because Dione is relatively small, an impact causing a 35 kilometer (21 mile) crater could have spun the satellite. ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... Publications of the ASP (PASP) . ... Red Rover?s Rocky Road . ... Centuries of telescopic observations and nearly 40 years of spacecraft flybys, orbiters, and landers have provided compelling evidence that Mars was once much more Earthlike than it is today. ... Big flagship missions like Mariner 9 and the Viking orbiters and landers provided most of our initial close-up views of the Red Planet. ... publications . ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... A brief snapshot summary of the Australia Telescope Compact Array surface extension project is presented here. ... Go to MNRF Projects Page . ...

... Main . ... The RadioAstron is an international space VLBI project led by the Astro Space Center of Lebedev Physical Institute in Moscow, Russia. ... List of organizations which were taken part in developing of the project and now support the RadioAstron mission is presented here . The RadioAstron Newsletter # 29 , July 18, 2015. RadioAstron Announcement of Opportunity - 4 for observations from July 2016 to June 2017 inclusive. ... 2.7, December 17, 2015 : English version. ... Main ASC . ...

... Most Important Journals . Less Popular Astronomical Journals . Physics . Space, Selectial mechanics, .. Russian Journals . ... Astrophysics & Astronomy . ... Astronomical Journal . ... New Astronomy . ... Publications of the Astronomical Society of the Pacific . ... STScI News . Space Telescope Insitute Newsletter . ... Journal of Astronomical Data . ... Journal of High-Energy Physics (mirror in CERN ) [astro, grav, hi-energy .. ... Journal of Experimental and Theoretical Physics . ...

The light beams of the Moon’s craters. The centres of the Moon’s beams are the crater Copernic, Kepler, Aristarch. But the most powerful light system has Tikho the crater. ... What substance forms the rays of the Moon craters? ... In 1960 two soviet scientists Kirill Petrovich Stanukovich and Vitally Aleksandrovich Broshtein supposed the following explanation of these beams. The meteorite shock at the Moon’s surface is accomplished by the burst: the kinetic energy is used for gushing out. ...

Proceedings of Turbulent Shear Flows XI , 1997. NASA Technical Paper # 3555 , 1997. Proceedings of European Turbulence Conference VI , 1996. ESPRI Research Report # 104, 117-143 (1996) . ... Proceedings of Turbulent Shear Flows X , 1995. ASME Paper 95-GT-437 , 1995. ... Invited AIAA Paper 94-2281 presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. AIAA Paper 94-2323, presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. ...