... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

... The Galway Astronomy Club are pleased to announce details of their upcoming Astronomy Festival to take place at the 4* Westwood House Hotel from Friday February 12th to Saturday February 13th 2010. The event will be styled in the same manner as this year (which worked very well) and will have ten different speakers. ... Dr Aaron Golden NUI Galway: тАЬHas Earth Contaminated the Solar System? тАУ the Case for Life on MarsтАЭ . ... International Year of Astronomy, Ireland National Node . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 23, 1999 . Construction of International Space Station Begins . Credit: STS-88 Shuttle Crew , NASA . Explanation: Move over Mir , here comes the International Space Station . ... The International Space Station 's low 250-mile Earth orbit causes it to experience one complete day/night cycle in about 90 minutes. ...

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

... The HI - Star Formation Connection . ... Coffee . ... Dark Galaxies and Dark Matter . ... HI in Normal Galaxies . HI and Galaxy Evolution over Cosmic Time . ... How Galaxies Accrete Gas . ... The Billion Galaxy Survey . ... Searches for Dark Galaxies . ... Evidence for Dark Matter in Galaxies . HI in Galaxies: Overview . ... Open Questions in Normal Galaxies . ... Starburst galaxies and BCDs . ... HI Rich Galaxies . ... Open Questions in HI and Galaxy Evolution . HI and Galaxy Evolution . ...

... Galaxy Evolution home . ... Observing proposals are invited for the EVN, a VLBI network of radio telescopes in Europe and Asia operated by an international Consortium of institutes. ... The EVN User Guide is available at http://www.jive.nl/jive/evn/evn.html, the EVN Status table (http://www.oso.chalmers.se/~vlbi/EVN/EVNstatus) gives current antenna . ... observed by the EVN and Global VLBI. EVN Observing Sessions in 2002 . ... 512 Mbps recording available at EVN antennas from session 2/2002 . ...

... John Clarke, Boston University . Comprehensive Auroral Imaging of Jupiter and Saturn during the International Heliophysical Year . Abstract . ... A Census of LIRGs in Clusters of Galaxies in the First Half of the Universe from the IRAC Shallow Survey . ... High Contrast Imaging of Dusty White Dwarfs . ... However, follow-up observations showed that the excess peaked at longer wavelengths than would be expected for a white dwarf; rather, G 29-38 is surrounded by a dusty disk. ... Past weeks: . ...

... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

... Korolev, Moscow area. On February 28, 2006 RSC Energia hosted the training sessions of Brazilian citizen Marcos Pontes under the training program for the participant in space flight to the International space station (ISS) within 10th Visiting Crew. ... President of RSC Energia after S.P. Korolev, General Designer N.N. Sevastiyanov congratulated M. Pontes on his birthday during the joint training sessions presenting wrist-watch and memorable gold medal of the Corporation. ...

... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Late Stages of Stellar Evolution . Welcome to the home page of the Late Stages of Stellar Evolution" We are a research group which operates within the Astrophysics Group of the Australia Telescope National Facility. ... To investigate the late stages of stellar evolution and in particular the role of stellar mass-loss in the evolution of asymptotic giant branch stars, proto-planetary nebulae and extremely massive stars. ...

... The study of magnetic fields is one of the major observational programs running on the 6-m BTA telescope of the SAO RAS. For over 40 years the tools for magnetic measurements were developed and modernized by the Laboratory of Stellar Magnetism Studies, they also perform the observations on the 6-m telescope . ... Traditionally our conferences consider a wide range of problems concerning the physics and evolution of magnetic stars of different types. ... Conference-2014 . First Announcement . ...

... 172 ] Briefly, the count rate at the detector from a source at a redshift z is . ... Figure 55 shows the ``Green functions'' for the double compact binary merging rate   evolution assuming no collapse anisotropy. ... Another way that diverse peculiarities in the - distribution induced by the sources evolution could arise is connected with a possible non-monotonic character of the star formation rate in galaxies. ... 22 ] Figure  56 shows two-dimensional cuts through the parameter space. ...

Talk . Date of Talk . ... The Cosmic Evolution of Neutral Atomic Hydrogen Gas" . ... Power Point PDF . ... University of Sydney talk . ... Measuring the Gas in Galaxies in the Distant Past" . ... Talk at 'Galaxy Metabolism: Galaxy Evolution Near and Far' conference . ... Neutral Hydrogen Gas in Galaxies at Moderate Redshifts: Current and Future Observations" . ... Neutral Hydrogen Gas in Abell 370, a Galaxy Cluster at z = 0.37" . ... Neutral Hydrogen Gas in Star Forming Galaxies at z=0.24" . ...

... Baffled, you turn to the waiter. ... The waiter smiles. ... Some prefer small stars while others insist that the larger they are the better they are. ... Of course," he adds, sensing your concern, "you are the guest of Chez Stella. ... Immediately you hear the "tock... tock... tock" of the stopwatch, and you gaze deep into the distant star. ... You hadn't noticed before, but it is giving off vast symmetric clouds of what looks like smoke or dust hanging in the space around the beautiful star. ...

... Illusion and Evolution in Galaxy Cluster Abell 2667 . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: gravitational lens - cluster of galaxies . Publications with words: gravitational lens - cluster of galaxies . ... Abell 2218: A Galaxy Cluster Lens . The Coma Cluster of Galaxies . The Einstein Cross Gravitational Lens . Abell 370: Galaxy Cluster Gravitational Lens . MACSJ0025: Two Giant Galaxy Clusters Collide . ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... ESO Acronyms . ... Survey Telescopes . ... Images . ... Star Clusters . ... Usage of ESO Images and Videos . ... Usage of ESO Videos and Images . ... Stars@ESO . ... ESO Science Newsletter . ... Cosmic Evolution . ... Image of Titan's atmosphere at 2.12 microns as observed with NACO on the VLT at three different epochs from 2002 till now. ...

Blackholes Forum Message . ... Big Flash Theory - Evolution . ... Shouldn't it be called the Big Flash Theory since nobody was around to hear it? ... Any my point is universe has to come from somewhere. Now the new theory is that black hole do let the matter out at some point. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

SCIENTIFIC TASKS OF THE GAS ANALYTIC PACKAGE FOR THE EUROPA LANDER. ... Characterization of physical and chemical conditions at surface of Europa · Chemical composition of ices: Concentration of main and trace components. Concentration and composition of organic components. ... Search for cells and/or cells remnants Scientific tasks for the Gas Analytic Package: · Measurement of chemical composition of volatile components of ices: Concentration of main and trace components. ...

... International workshop “The Europa Lander: science goals and experiments” is organized by the Space Research Institute (IKI) of Russian Academy of Sciences, on February 9-13, 2009, in Moscow, Russia. The workshop will last 5 days including the days of arrival/departure and some sightseeing events, and focus on the scientific goals and technical aspects of the project, key issues of Europa science with the special emphasis on astrobiology and requirements to scientific instruments. ...

... Leonid CHEKHOV (Steklov Institute and Poncelet lab, Moscow) . ... Ivan DYNNIKOV (MSU, Moscow) . ... Oleg KARPENKOV (Poncelet lab, Moscow) . ... Gleb KOSHEVOY (CEMI and Poncelet lab, Moscow) . Serguei LANDO (Poncelet lab, Moscow) . ... 16:00-16:50 S. Natanzon: Klein topological field theories . ... 16:00-16:50 G. Duchamp: On some interactions between Combinatorics, Computer Science and Physics . ... evening Conference dinner . ... 14:45-15:30 O. Karpenkov: Energies of knots and of certain graphs . ...