... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. December 20, 1999 . Lava Fountain on Jupiter's Io . Credit: Galileo Project , SSI , University of Arizona , JPL , NASA . ... The robot Galileo spacecraft orbiting Jupiter photographed the volcanic eruption during its close flyby of the moon late last month . ... About APOD > . ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

Amalthea . Jupiter V . Amalthea [am-al-THEE-uh] is one of Jupiter's smaller moons. ... It was also the first moon of Jupiter to be discovered since Galileo's discovery of the four Galilean Moons in 1610. Amalthea is extremely irregular, having dimensions of about 270x165x150 kilometers in diameter. ... Discovered by . ... Topographic Map of Amalthea . ... As with all maps, it is the cartographer's interpretation; not all features are necessarily certain given the limited data available. ...

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. ...

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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 . ...

Astronomy Picture of the Day . Unusual Hollows Discovered on Planet Mercury . ... 27.03.2012 . ... Credit Copyright: NASA / JHU APL / CIW Explanation: What are those unusual features on planet Mercury? ... The rounded depressions appear different than impact craters and nothing like them has been noted on Earth's Moon or anywhere else in the Solar System . ... March 2012 . ... Publications with keywords: Mercury . Publications with words: Mercury . ... MESSENGER s Last Day on Mercury . ...

... 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.( ...

Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

... The next IAA 'Solar Event' will be at Carnfunnock Country Park, Co Antrim, on SATURDAY 15 June, from 2.30 to 4.30 p.m. This will be similar to the very successful event at Castle Espie last Sunday, with the added attraction of the best collection of sundials in Ireland! ... You can't miss it: it's on the main coast road (A2) about 3 miles north of Larne; just half a mile past the little quaintly-named village of Drains Bay! ... This event is on SATURDAY, not Sunday, and 2. ... Terry Moseley . ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... Publications of the ASP (PASP) . ... Planet-Building on the Grandest Scales . ... The extrasolar planets discovered to this time are believed to be giant gaseous planets similar to Jupiter and Saturn. ... This, together with the large masses of the extrasolar planets discovered to date, has led researchers to conclude that all the extrasolar worlds are giant gaseous planets similar to Jupiter and Saturn. ...

... A dynamo is created in a magnetic field by an electric circuit, part of which is moving relative to the rest (additional conditions must also be met). ... Furthermore, the plasma between them conducts electricity very well along its magnetic field lines, which act as if they were wires connecting Io and the planet (drawing). ... The drawing is not to scale. ... The Hubble Space Telescope , using its Wide Field and Planetary Camera 2, has been photographing auroras of the planet Jupiter. ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . ... Survey Telescopes . ... Solar System . ... ESOcast . ... Astronomers using ESO instruments have discovered a remarkable extrasolar planetary system that has some striking similarities to our own Solar System. ... Entitled т??Richest planetary system discoveredт??, it explains how these faraway planets were detected and exactly what we know about them. ... ESOcast 20: Richest planetary system discovered ....

Image credit: Michael Nolan, Arecibo Observatory. These radar images of near-Earth asteroid 2001 SN263 were obtained on 2008 Feb 12 and 13. ... Image from Feb 12 . ... First near-Earth triple asteroid discovered by Arecibo Observatory . ... was discovered this week by astronomers at the sensitive radar telescope at Cornell University?s Arecibo Observatory in Puerto Rico. ... For example, Arecibo has discovered more than half of the near-Earth binary asteroid systems discovered since 1999. ...

... Coming Soon to a Channel Near You: Oracle.. ... But now users are discovering that this beefy class of multiprocessing, "fault-tolerant" PC servers handle databases just as well as mainframes and minicomputings. ... Programmers at four competing Unix software vendors are working together on what may be the last chance for Unix on the corporate desktop. ... COSE's Common Desktop Environment goes a long way toward establishing a standard Unix interface that's easy enough for novice users to master. ...

. Go Here for Hubble Ultra Deep Field . ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...

Go directly to the moons of: . Mercury Venus Mars Jupiter Saturn Uranus Neptune Pluto . MARS . Pronunciation . Earth's Moon . ... Aeolis . ... Aestuum . ... Aeria . ... A-muh-ZAHN-is . ...

Giant Jupiter. Jupiter . ... Jupiter has no solid surface that is why speaking about its dimensious point the radius of the upper border line of the clouds, where the presseru is about 10 KPa; radius of Jupiter on the equator is 71400 km. ... The Jupiter satellites. ... Nowadays 16 satellites of the Jupiter are known: Adrastea, Mitis, Amaltea , Phina,then 4 Galilei satellites: Io , Europe , Hanimed , Callisto , Leda, Aimalia, Zicitea, Elara, Ananke, Carme, Pasipe and Sinope. ... Jupiter's ring. ...

... Contacts . 2010: . Sources of polarized radiation with unusual spectral features discovered in the Sun. In the framework of the study of solar active regions that produce powerful flares the researchers from the RATAN-600 radio telescope have detected sources with features in the form of a sharp decrease in the intensity of polarized radiation in various parts of the recorded frequency range (2-16GHz), sometimes changing the sign of polarization. ... Contacts: Bogod V.M. ) . Archive . ...

... 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. ...