... Saturn's majestic rings then take over the show as Cassini crosses Saturn's thin ring plane. Dark shadows of the ring appear on Saturn itself . Finally, the enigmatic ice-geyser moon Enceladus appears in the distance and then is approached just as the video clip ends. ... NASA Official: Jay Norris. ... Publications with keywords: cassini spacecraft - Saturn - Saturn rings - Saturn's Moon - movie . Publications with words: cassini spacecraft - Saturn - Saturn rings - Saturn's Moon - movie . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Have you ever looked at pictures of Saturn's rings and noticed what look like gaps in the rings? ... Gian Domenico Cassini discovered a large gap in Saturn's rings in 1675. Later, an astronomer named Encke discovered a smaller gap near the edge of the rings. ... It was found long ago that an orbit in the Cassini Division, as the large gap is named, has a period almost exactly one-half that of one of Saturn's moons named Mimas. ... 2008 Phil Plait. ...

... 2007 January 31 . Movie: Cassini Crosses Saturn's Ring Plane . Credit: NASA / JPL / SSI ; Animation: Gordan Ugarkovic Emily Lakdawalla . ... To find out, NASA aimed cameras from the Cassini spacecraft right at Saturn's rings as the robotic explorer passed from the sunlit side of the rings to the shadowed side . ... The extreme thinness of Saturn's rings can be appreciated from frames taken near the crossing time. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

... ATNF Home . ... About ATNF overview . News | ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Now, new Australia Telescope observations of the polar ring galaxy NGC 4650a suggest that the dark matter in this galaxy lies in a flattened distribution aligned with the polar ring. ...

... HST view from 1990 788k tiff ; 12k jpg . edge-on rings (HST) 33k jpg ; 86k gif ( caption ) . nearly edge-on rings (HST) 36k jpg ; 86k gif ( caption ) . ... False-color view of Saturn 332k gif ; 61k jpg . ... Saturn (three color -red,green,blue- composite) by HST (670 km per pixel) 71k gif ; 39k jpg . ... Ring spokes (false color) 204k gif . ... Edge-on rings and four moons from HST (August 95) 24k jpg ; 108k gif ( caption ) . ... Spectacular false color image of the rings 130k jpg . ...

... Running Rings Around a Planet . ... Saturn's delicate rings have caught human eyes for over three centuries. ... Now we know, thanks to the Voyager space probes, that Saturn's rings consist of thousands of "ringlets," each made of chunks of ice ranging in size from dust to boulders [see "Rally Around the Ring," March/April 1995, p. 10]. ... The appearance of Saturn's rings to us ground-hugging Terrans is changing constantly. ... Saturn's diameter is 120,000 kilometers, so how large are the rings? ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Saturn . ... Observing . ... Observing Basics . ... NASA's Cassini spacecraft observes meteoroids colliding with Saturn's rings . ... Five images of Saturn's rings, taken by NASA's Cassini spacecraft between 2009 and 2012, show clouds of material ejected from impacts of small objects into the rings. ... NASA s Cassini spacecraft has provided the first direct evidence of small meteoroids breaking into streams of rubble and crashing into Saturn s rings...

... Solar System . ... Planets . ... Saturn is the sixth planet from the Sun and is the second largest in the solar system. A day on Saturn is 10 hours 39 minutes long, and it takes 29.5 Earth years to revolve about the Sun.€аThe atmosphere is primarily composed of hydrogen with small amounts of helium and methane.€аAt the last count it had 62 Moons, but it is another feature of this gas planet which makes it spectacular, its ring system. ... The first man to notice the rings of Saturn was Galileo. ...

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Planetary Radar . ... In fall of 1999 and 2000, the rings of Saturn were imaged using the Arecibo S-band radar system by P. Nicholson, D. Campbell, R. French, G. Black and J.-L. Margot. ... A delay-Doppler image of Saturn's rings at a frequency of 2380 MHz (12.6 cm) is compared to a model image constructed by reprojecting a pair of HST images taken at 439 nm. ...

What's New in Views of the Solar System . ... Mars Icosahedraon Added . ... Rotation Earth Movie . Europa Rotation Movie . ... Color Rotation Tethys Movie . Rotation Tethys Movie . ... Rotating Mars Movie . ... Animation: Io Rotation Movie . ... Rotating Moon Animation . ... Animation of Janus, The Rotating Moon of Saturn . ... Two excellent animations of Mars' moons Phobos and Deimos were added on 9/3/97. ... A high-resolution mosaic image of Phobos , a moon of Mars, was added on 7/8/97. ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... Catch a Star 2013 . ... It is a composite of exposures in two near-infrared wavebands (H and K) and displays well the intricate, banded structure of the planetary atmosphere and the rings. ...

. My astronomical research interests center on galaxy structure and evolution. Current topics include: . Polar-ring and interacting galaxies (see also new catalogue ) . Galaxy warps: statistics, properties and origin . Spiral galaxies at z~1: radial and vertical structure of stellar disks, statistics of interactions . Surface photometry and kinematics, dynamical modeling . Observational cosmology . Joomla Counter since Sep 1997

... 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 . ...

... A.M.Mel'nik and P. Rautiainen / Straight segments in the galactic discs , MNRAS, 2013, Vol. 434, pp. 1362-1375, full text . ... 2010, Vol. 519, pp. 70-82, full text . A.M.Mel'nik and A.K.Dambis / Kinematics of OB-associations and the new reduction of the Hipparcos data , MNRAS, 2009, Vol. 400, pp. 518-523, full text . ... A.M.Mel'nik and P.Rautiainen / Kinematics of the Outer Pseudorings and the Spiral Structure of the Galaxy , Astronomy Letters, 2009, Vol. 35, pp. 609-624. full text . ...

... Subject: Cassini pic, AstroPlay, AP events, Scopes sale, IAA/RSPB BWSO event, Pics wanted . Date: 23 July 2013 17:09:39 BST . ... See: http://www.dailymail.co.uk/sciencetech/article-2373118/Cassini-First-pictures-Earth-taken-NASA-spacecraft-orbiting-Saturn.html . ... http://planetsave.com/2013/07/21/earth-from-the-saturn-system-nasa-releases-new-image-of-the-earth-as-seen-from-saturn/ . http://www.space.com/22053-wave-at-saturn-photos-nasa-cassini-spacecraft.html?cmpid=529599 . ... See; . ...

... Pre-university education . ... Samara region . ... A small spacecraft Aist-2D , developed by the scientists of Samara State Aerospace University (SSAU) and the experts of the Rocket and Space Centre Progress will see from outer space what is hidden under the thick top of trees and below the Earth's surface. The radar equipment was installed on Aist-2D , which was delivered to the space launcher complex Vostochniy on January 22. ... Tomography of the Earth's ionosphere will also be carried out. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... LX600 Series . ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Coronado€о Solar . ... Sol Ranger solar viewfinder . ... Coronado Sol Ranger solar viewfinder with mounting rings for Coronado SM40T. Effortlessly line up the sun in your main scope in seconds. ...

... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

... About meteorites . ... Meteoritic data . ... About laboratory . ... The lake is like a round mirror 200 meters in diameter, surrounded by a ring wall 350-400 meters across. ... The ring wall, especially well preserved along the southeast shore of the lake, the steep banks and the great depth, all indicated that at one time there had been a powerful explosion here. ... It is possible that the depth may have been 40 meters before but that the slumping of the banks was helping to decrease the depth. ...

Кольца Сатурна . История открытия колец достойна подробного изложения . ... Они совершили уже около триллиона оборотов вокруг своей оси и каждая макрочастица кольца испытала за это время порядка ста миллиардов столкновений с другими частицами. ... После того, как "Вояджеры" обнаружили структуру колец, напоминающую граммофонную пластинку, большую популярность получила теория спутников-пастухов, якобы сотнями существующих в кольце и проделывающих в сплошном диске из частиц пустые бороздки. ...