... Credit: Gordan Ugarkovic Emily Lakdawalla Explanation: What would the rings of Saturn look like if you passed right through the ring plane? 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. ... Publications with keywords: Saturn . ... Saturn s Ancient Rings . ...

... 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 . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2007 August 30 . Dark Lunar Eclipse . ... Explanation: The Moon passed close to the center of Earth's shadow on August 28th . ... Of course, even during a total lunar eclipse,the Moon is not completely dark. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . ...

... Science . ... Science Users Information > Science Publications > Science Announcements > CRIRES+ Passes PDR and Optical FDR . ... Observing Facilities . ... Observing with ESO Telescopes . ... Data Handling and Products . ... News and Updates . ... The upgrade project ( CRIRES+ ), which will significantly expand the scientific capabilities of CRIRES, recently achieved two major milestones: optical Final Design Review (FDR) in June 2015 and Preliminary Design Review (PDR) in September 2015. ...

... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. Dnepr Cluster Mission 2014 6 November 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . Baikonur Cosmodrome Yasny launch base Downloads . ... Preparations for the Dnepr-DubaiSat-1 launch are well progressing at Baikonur Cosmodrome. ...

Castalia . Asteroid 4769 . Asteroid 4769 Castalia is a near-Earth crossing asteroid that was discovered by Eleanor F. Helin (Caltech) on August 9, 1989. Scientists used radio astronomy and computer modeling to generate this image of Castalia. They obtained the data for the computer model in 1989 using the Arecibo radar/radio telescope in Puerto Rico when the asteroid passed within 5.6 million kilometers (3.5 million miles) of the Earth. ... Topographic Map of Castalia . ...

Castalia . Asteroid 4769 . Asteroid 4769 Castalia is a near-Earth crossing asteroid that was discovered by Eleanor F. Helin (Caltech) on August 9, 1989. Scientists used radio astronomy and computer modeling to generate this image of Castalia. They obtained the data for the computer model in 1989 using the Arecibo radar/radio telescope in Puerto Rico when the asteroid passed within 5.6 million kilometers (3.5 million miles) of the Earth. ... Topographic Map of Castalia . ...

The following is a list of recent hikes I've been on, mostly in the Canadian Rockies near Calgary, Alberta. Some include links to scanned photos. Home

OBSERVATIONS OF COORBITAL SATELLITES OF SATURN Emel'yanov N., Varfolomeev M. Sternberg State Astronomical Institute, Moscow, e-mail : emelia@sai.msu.ru Institut de MИcanique CИleste et de Calcul des иphИmИrides, Paris, e-mail : emelia@imcce.fr Abstract. To improve the orbital parameters and masses of coorbital satellites of Saturn, Janus and Epimetheus, new observations of these satellites are necessary. ... IN: Saturn. ... New observations of Saturn's coorbital satellites" - Icarus. ...

... 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). ...

... SEARCH ASP SITE: Match ALL words Match ANY word . ... Point: Where Is the Best Place to View a Solar Eclipse? ... As viewers venture away from the center line of the eclipse path, the eclipse lasts for a shorter time (smooth line), but edge effects such as Baily's beads persist for longer (spiked line). ... The eclipse is longest on the center line of the path; the rare view of the Sun's beautiful white outer atmosphere, the corona, which can be seen only during eclipses, is also longest there. ...

JSC History . JSC Oral History . NASA History . History-NASA Centers . ... NASA Oral History Project: Chilean Miners Rescue . ... NASA Provides Assistance to Trapped Chilean Miners . NASA Engineer Helps Chilean Miners . ... Alphabetical List A-B C-D E-G H-J K-L M-N O-R S-T U-Z Administrators Aviatrix Herstory Ballistics JSC OHP ISS OHP NACA OHP Experts OHP Space Shuttle Program Earth System Science NASA at 50 STS Recordation Chilean Miners Rescue Shuttle-Mir OHP SCA-SRB OHP C3PO OHP . ...

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

... The 200 km wide shadow of the total eclipse went from Turkey, crossed Black Sea and Abhazia, and its centrum passed near the highest Caucasus mountain Elbrus. ... The Special Astrophysical Observatory was located at the edge of the shadow, and a single interior contact was seen from the upper observational site at the 6-m telescope BTA. ... This light was stronger in the beginning and in the end and weaker in the middle of totality. ... When will this end?" ... Beginning of the total phase. ...

... Near Infrared Camera and Multi-Object Spectrometer Instrument Handbook for Cycle 17 > Chapter 8: Detector Readout Modes > 8.2 Multiple-Accumulate Mode . 8.2 Multiple-Accumulate Mode . ... This mode of operation is known as Multiple-Accumulate ( MULTIACCUM ). ... See Section 8.6 for trade-offs between MULTIACCUM and ACCUM readout modes.) In most cases, MULTIACCUM mode provides the highest quality scientific data. The benefits of obtaining observations in MULTIACCUM mode fall into two areas. ...

... Survey processing . ... ESO - Public Surveys . ... Individual pawprints extracted from the ESO archive can be passed through a calibration pipeline at Garching that will remove instrumental artefacts, and produce astrometrically and photometrically calibrated single pawprints for the user. The UK-based VISTA Data Flow System (VDFS) receives a copy of all VISTA raw data by agreement with ESO, and is required to fully respect the proprietary rights assigned by ESO to observations. ...

... 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 Le monde entier regarde V†йnus passer devant le Soleil . ... Hier soir, †а New York, les curieux scrutaient le ciel dans l'espoir qu'une †йclaircie leur laisse entrevoir V†йnus devant le Soleil. ... Transit et Soleil de minuit . ...

Next: NUMBER of PASSES Up: Tape Management Previous: TAPE HANDLING at SCAN Contents . Tapes for the Mark III and VLBA systems come in two nominal lengths, 9600 ft and 18000 ft. ... The following table gives the recording times per pass to expect with these tape speeds and recording rates: . RECORDING TIMES for 1 pass on VLBA and Mark III tapes. ... For Mark III, the longer tapes will hold 3.37 times as much data per pass as the shorter tapes. ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . LONEOS is a system designed to find Earth-crossing asteroids (ECAs) and comets (ECCs), collectively known as near-Earth objects (NEOs). ... Listed Since July 15, 1998 . ... Web Site . http://www.lowell.edu/users/elgb/loneos_disc.html . ... Web . www.astronomy.net . About Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Regions designation | Regions models | ASCII files description . The real time regions passing . ... The real time visibility of the IB_TAIL relative to the Evpatoria and Panska Ves . The IB_TAIL geocentric distance as a function of the Moscow time (MT = UT + 3h) (Plot) . Geomagnetic local time in the IB_TAIL position as a function of the MT (Plot) . The orbital data ASCII files . ... Updated 22 June, 1999 . ... INTERBALL mission  ...