... APOD: 2015 July 8 In the Company of Dione . ... Credit Copyright: NASA / JPL-Caltech / Space Science Institute Explanation: That is not our Moon. It's Dione , and its a moon of Saturn. The robotic Cassini spacecraft took the featured image during a flyby of Saturn's cratered Moon last month. ... First, the large orb looming behind Dione is Saturn itself, faintly lit by sunlight first reflected from the rings. ... July 2015 . ... Publications with keywords: Saturn - Saturn rings - Dione . ...

... 2010 July 12 . Moons Beyond the Rings of Saturn . Credit: Cassini Imaging Team , ISS , JPL , ESA , NASA . Explanation: What's happened to that moon of Saturn? Nothing -- Saturn's moon Rhea is just partly hidden behind Saturn's rings. ... Although it seems to be hovering over the rings , Saturn's moon Janus is actually far behind them. Janus is one of Saturn's smaller moons and measures only about 180 kilometers across. ... About APOD | ... A service of: ASD at NASA / GSFC . ...

... 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. ...

... 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? ...

New Satellites of Saturn . On July 26, 1995, Amanda Bosh of Lowell Observatory announced the discovery of at least two and perhaps four new satellites of Saturn . The discovery was based upon images taken by the Hubble Space Telescope on May 22, 1995, when Saturn's rings were tilted edge-on to the Earth . ... The two satellites S/1995 S1 and S2 lie inside Saturn's thin, eccentric "F" ring . ... The fourth satellite S/1995 S4 is 6,000 kilometers (3,700 miles) beyond the F ring. ... S/1995 S 3 . ...

... 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. ...

... S/ 1981 S 15 174000 S/ 1981 S 16 220000 S/ 1981 S 17 231000 S/ 1981 S 18 185000 S/ 1981 S 19 186000 S/ 1995 S 1 137450 S/ 1995 S 2 139700 S/ 1995 S 3 141050 S/ 1995 S 4 146450 S/ 1995 S 5 140060 S/ 1995 S 6 139910 S/ 1995 S 7 139440 The first two groups are derived from analysis of Voyager 2 data reported in IAUC 6162 ; the third group is from HST observations during the May 1995 ring ... S/1995 S 3 orbits just outside the F ring and is apparently a shepherd moon . ... New Moons ....

... 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. ...

... 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; . ...

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

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. ...

... Tonight's Sky . ... Observing . ... Product Reviews . ... Opportunityт??s devilish view from on high . ... Sky Events . ... Cassini flies high to view Saturn's rings again . ... These three Cassini images show a propeller-shaped structure created by an unseen moon in Saturn's A ring. ... It's been nearly two years since NASA's Cassini spacecraft has had views like those it is now enjoying of Saturn's glorious rings. ... Only registered members of Astronomy.com are allowed to comment on this article....

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... Contact details cannot be confirmed . ... See many more Astronomy Listings by: Category or Alphabet . Expeditions and cruises for Eclipses. ... Listed Since July 15, 1998 . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | Contact Comments | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... S. G. Pugacheva. Sternberg State Astronomical Institute, Moscow, 119899, Russia, pugach@sai.msu.ru . ... Sternberg State Astronomical Institute, Moscow University, Russia, pugach@sai.msu.ru . ... Sternberg State Astronomical Institute, Moscow University, 13 Universitetsky pr., ... Sternberg State Astronomical Institute, Lomonosov Moscow State University, Universitetskii pr. ... S. G. Pugacheva and V. V. Shevchenko, Sternberg State Astronomical Institute, Moscow University, 13 Universitetsky pr., ...

. 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

... Astronomy news . ... Saturnian Moon Shows Evidence Of Ammonia . Data collected during two close flybys of Saturn's moon Enceladus by NASA's Cassini spacecraft add more fuel to the fire about the Saturnian ice world containing sub-surface liquid water. ... In space, the presence of ammonia provides strong evidence for the existence of at least some liquid water. How could ammonia equate to liquid water inside an ice-covered moon in one of the chillier neighborhoods of our solar system? ...

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... Chris Stubbs, Harvard University . Resolving the LMC Microlensing Puzzle: Where Are the Lensing Objects ? Abstract . ... Modes of Star Formation and Nuclear Activity in an Early Universe Laboratory . ... A Proper Motion Search for Intermediate Mass Black Holes in Globular Clusters (2nd Epoch Observations) . ... In the coming week, observations are scheduled of OB associations in the two other large spirals in the local Group, M31 (Andromeda) and M33 (Triangulum). ... Past weeks: . ...

... 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 . ...

Publications in 1996 . ... Publications: . Bursov N.N. Spectra of radio sources of the "Cold" deep survey" at RATAN-600 . ... Trushkin S.A. The RATAN Radio continuum survey of the Galactic plane between l=342^o and l=17^o and |b| Astron. and Astrophys Trans., 1996, v. 11, p.225-233 . ... ADS . ... N., Goss W.M., Kopylov A.I., Soboleva N.S., Temirova A.V.,Verkhodanov O.V., Zhelenkova O.P., Naugolnaya M.N. Investigation of RATAN-600 RC radio sources. ... 1996, Sept.10-13. ... S.A. Trushkin . ...