... Voyager 1 completed its Jupiter encounter in early April, after taking almost 19,000 pictures and many other scientific measurements. ... Its outer edge is 129,000 kilometers (80,000 miles) from the center of the planet, and, though the brightest portion is only about 6,000 kilometers (4,000 miles) wide, ring material may extend another 50,000 kilometers (30,000 miles) downward to the top of Jupiter's atmosphere. ... Jupiter Space History The Voyager Planetary Mission Voyager Saturn Science Summary ...

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• Saturn's Moon Titan
• Hubble Observations Shed New Light on Jupiter Collision
• Titan Press Release

... 2007 February 27 . Atmospheres Detected for Two Extrasolar Planets . ... Explanation: Do extrasolar planets have water? In an attempt to find out, the orbiting Spitzer Space Telescope made detailed observations of the atmospheres of two planets that orbit stars other than our Sun. ... Although no water vapor was detected this time, the techniques of measuring exoplanet atmospheres are quite promising, and the search for distant water and other biomarkers is just beginning. ... About APOD | ...

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• APOD: 2001 November 28 - Extra Solar Planetary Atmosphere Detected
• APOD: 2010 October 25 - Water Ice Detected Beneath Moons Surface
• APOD: 2015 September 1 - Distant Neutrinos Detected Below Antarctic Ice

... UA SCIENTIST & TEAM DISCOVER SURFACE FEATURES COVER TITAN (Science contacts: Peter H. Smith, (602) 621-2725; Mark Lemmon, (602) 621-1485; UA Lunar and Planetary Laboratory) . Scientists for the first time have made images of the surface of Saturn 's giant, haze-shrouded moon, Titan. ... About three weeks before Cassini's first flyby of Titan, the spacecraft is to release the European Space Agency's Huygens Probe to parachute to Titan's surface. ... Upper left: hemisphere facing Saturn. ...

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• Jupiter's Moon Ganymede
• Saturn [Oulu]
• Remote Sensing of Tropical Regions

In early mid-infrared observations (c 1970) two prominent dust emission features were discovered. ... Soon after the discovery of the silicate features another feature at about 11.3 microns was discovered in the spectra of some carbon stars, not as wide or as strong as the silicate features but still thought to be due to a solid material. ... less common features: extreme carbon stars, the AlO/silicate complex, the "unidentified infrared" features, unusual silicate features . ...

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• Dust Emission Features in NGC 7023 between 0.35 and 2.5 Microns: Extended Red
• Quasar Spectral Features at Intermediate Redshift
• Discovery and Analysis of 21 ѕ®m Feature Sources in the Magellanic Clouds

... Gravitational wave search provides insights into galaxy evolution and mergers . ... milky way . ... Astronomy for Kids . ... Has dark matter ever been detected in or around the Milky Way Galaxy? ... While some scientists claim theyт??ve seen evidence of a т??windт?? of dark-matter particles, most members of the astronomy community believe this was a false detection and direct observation of this mysterious material hasnт??t happened yet. ... Get instant access to subscriber content on Astronomy.com!...

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• A history of gamma-ray satellites | Astronomy.com
• Most distant dwarf galaxy detected | Astronomy.com

A press release on the Canadian Galactic Plane Survey was associated with this poster. ... Below are maps of HI emission, HISA, and 12 CO emission in the eastern 25% of the survey, given as projections along the velocity ( Figure 1 ) and latitude ( Figure 2 ) axes. ... 2000, A. J. , submitted . ... GIF | ... We are developing automated methods of locating HISA in velocity cubes by removing large-scale emission in space and velocity and flagging small-scale dark residuals. ...

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• HISA Poster for the 33rd Annual Meeting of CASCA, May, 2002
• Astronomers Detect Coolest Radio Star National Astronomy and Ionosphere Center
• Lidar National Astronomy and Ionosphere Center (Arecibo Observatory)

. Check out some RECENT PAPERS of mine featuring special bonus prizes. Or try the ADS Abstract and Article database, for ALL or only refereed papers . not to mention hot-off-the-presses versions at LANL astro-ph preprint archive.

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• The AstroStat Slog instrumental features
• Features of the PROS software
• The AstroStat Slog Blog Archive Bayesian machine learning workshop, featuring

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Facilities . ATNF facilities . ... 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 . ... Parkes radio telescope webcam . ...

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• Elliptical Galaxies.
• Circinus_galaxy
• PPTA Wiki | Observing / RFI

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 . ...

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• ASP: Good Astronomy Activities on the WWW
• ASP: The Gamma-Ray Burst/Supernova Connection
• ASP: Let Venus Be My Guide

... A new IRAF task has been developed that automatically identifies linear (line-like) features in an image or set of images. ... In order to automatically detect linear features, the first step is to select pixels in the image (Fig. 1 , left panel) that fall within a given data value range. ... Another aspect of extended linear features is that the image space pixels that describe them are in some way adjacent to one another and have a minimum and maximum length. ...

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• The Scientist's Expert Assistant Demonstration
• ISIS: An Interactive Spectral Interpretation System for High Resolution X-Ray
• Background Fluctuation Analysis from the Multiscale Entropy

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I see unexpected boxy emission-like features in my REDL spectra - where do they come from? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... The pipeline by default interpolates across the bad columns in the REDL CCD when it creates the master bias, but does not so when it processes the science data. This inconsistency can create boxy emission-like features as seen in the figure below. ...

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• The past, present and future appearances of the Refsdal supernova | ESO
• ESO - My data shows an extended, bright feature - what can this be?
• ESO - My MR+GG475 data show strong absorption features below 6000A. Where do

... These other worlds are the moons of our Solar System , of which there are approximately 170 in orbit around our planets.Some of these moons are very interesting, and have diverse and unique features, very different to our barren, heavily cratered Moon .Jupiter, the largest planet in our solar system has the most moons of any planet with known 64 moons in orbit.The four ... Ganymede, the largest moon in the Solar System thought to have oceans located underneath its icy surface.( ...

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• Stellar Nursery NGC 6357: Image of the Month | Astronotes
• Giovanni Schiaparellii and Mars | Astronotes
• Wonders of the February Night Sky | Astronotes

... Observations of the Moon eclipse on 17.09.97 have shown the Moon details contrasts had decreased and the total radio brightness had fallen at all observed frequency range (from 10% at 1.38 sm down to 2.5% at 13 sm). The fall of the Moon radio brightness has been detected during the eclipse at decemeter waves for the first time. ... Radio emission of the Copernicus crater at 1.38 and 2.7 sm has been detected for the first time. ...

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• Emission molecular bands
• Cosmological Gene project
• Experiment COLD: Astrophysical Problems Studied in Experiment Cold

... Scroll right to see the panoramic view captured last week by the Huygens probe as it descended toward Saturn's mysterious moon. ... Found among the SMC's clusters and nebulae NGC 346 is a star forming region about 200 light-years across, pictured above by the Hubble Space Telescope. Titan Landscape . ... After a seven year interplanetary voyage on board the the Cassini spacecraft, the European Space Agency's Huygens probe parachuted to a historic landing on Saturn's moon Titan on January 14. ...

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• Atmospheres Detected on Two Extrasolar Planets
• Астронет > Atmospheres Detected on Two Extrasolar Planets

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Sequence of four video frames captured at 01:05 BST at Armagh Observatory on the night of the 24/25th July 2013, showing the onset, development and demise of the sprite. ... Unlike common lightning discharges, which often jump between clouds or between the clouds and the ground, sprites are associated with similarly powerful electrical fields that occur high above the clouds of the EarthтАЩs atmosphere. ...

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• Atmospheres
• Featured Image | International Year of Astronomy in Ireland | Astronomy 2009
• J.G. Doyle, Research Astronomer

... Main research and development work completed in 2011 and ready for implementation . ... It is found that the 1.8 MeV line is concentrated in the Galactic disk, whereas positron annihilation takes place in the central region of the Galaxy. ... Main research and development work completed in 2010 and ready for implementation . Main research and development work completed in 2009 and ready for implementation . Main research and development work completed in 2008 and ready for implementation ...

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• MAGION-4 Spacecraft (C2-X)
• Scientific Programme
• INTERBALL Auroral Results Page

. ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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• Digital Stellar Spectra

Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...

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• Practical Astrophysics
• General Astrophysics
• Solar Physics

... In the case of solar investigations many new features of active solar plasma were detected, in particular: · A small-scale radio emission structure of the Quiet Sun (a so-called radio granulation ); · Neutral line asso ciated sources in solar active regions ; · Non-thermal radio emission ab ove sunsp ots groups, so named the decimetre halo ; · Cyclotron lines in the active regions ; · Multiple p ...

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• http://www.sao.ru/cats/~satr/RFSymp/abs/03_Bogod.ps
• A 10-GHz Radio Continuum Survey
• X-ray binaries with relativistic jets -- microquasars

... Laboratory and theoretical modelling of the UV bump on the interstellar extinction curve is a very popular topic in dusty investigations. ... feature is illustrated by Fig. 10 where the profiles were calculated using the model of graphite spheres. Figure 10: Normalized extinction efficiencies for graphite spheres. ... The lower panel shows the summary extinction of two graphite spheres with radii and (from upper panel) taken in equal proportions. ...

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• Polarization properties (transmitted radiation)
• Silicate minerals