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January[0]=["22","Jacqueline van Gorkom","Columbia University","The Evolution of Galaxies in Different Environments","In the densest parts of clusters the morphological mix and colors of galaxies is very different from galaxy properties in lower density regions. More recent evidence indicates that these properties change very smoothly over several Abell radii. I will focus on the fate of the gas in galaxies. When and where do galaxies stop accreting, how do they loose the cool gas and when does star formation stop? I will argue that it is the assembly of clusters that may affect the evolution of the galaxies.","",""];
January[1]=["29","Charles Alcock","CfA","Examining the Far Outer Solar System","","",""];


February[0]=["5","Michael Fall","STScI/IAS","Life Cycles of Globular Star Clusters: From Formation to Dissolution","","",""];
February[1]=["12","Paul Steinhardt","Princeton University","Rethinking Inflation and the Search for Alternatives","","",""];
February[2]=["19","Warren Brown","CfA","Hypervelocity Stars Ejected from the Galactic Center","Hypervelocity stars leaving the Galaxy at ~1000 km/s are a natural consequence of a massive black hole in a dense stellar environment. In 2005 we discovered the first such hypervelocity star (HVS): a 3 solar mass B star, similar to stars seen in the Galactic Center, but 110 kpc distant and moving away at over 700 km/s.  Our follow-up survey has resulted in seven further HVS discoveries plus evidence for a class of HVSs on bound trajectories.  We discuss how the observed velocity and spatial distributions are linked to the ejection mechanism.  The HVSs place quantitative constraints on the types of stars orbiting near the central black hole and the history of stellar interactions with the black hole.","",""];
February[3]=["26","Joop Schaye","Leiden University","First results from OWLS: the OverWhelmingly Large Simulations project.","The OWLS project aims to study the formation of galaxies and the evolution of the intergalactic medium using a large suite of cosmological gas-dynamical simulations. The simulations are repeated many times using different physical and numerical parameters. This strategy enables us to carefully check for numerical artifacts and to pinpoint relevant physical processes. I will discuss some general aspects of cosmological hydro simulations, focusing in particular on the importance and robustness of so-called subgrid modules for unresolved baryonic physics such as radiative cooling, star formation, and feedback from star formation. Finally, I will present a selection of preliminary results from the OWLS project.","",""];


March[0]=["4","Masataka Fukugita","University of Tokyo","Cosmology from Cosmic Energy Inventory","","",""];
March[1]=["11","Chris Thompson","CITA","Electrodynamics of Magnetars","","",""];
March[2]=["18","Sarbani Basu","Yale University","So What Is the Matter with Solar Abundances?","","",""];
March[3]=["25","Chris Hirata","Caltech","Modeling the Recombination Epoch","","",""];


April[0]=["1","Peter Goldreich","IAS","Reading the record of ancient impacts","","",""];
April[1]=["8","David Charbonneau","CfA","The Era of Comparative Exoplanetology","When extrasolar planets are observed to eclipse their parent stars, we are granted unprecedented access to their physical properties. It is only for these systems that we are permitted direct estimates of the planetary masses and radii, which in turn provide fundamental constraints on models of their physical structure. Furthermore, such planets afford the opportunity to study their atmospheres without the need to spatially isolate the light from the planet from that of the star. I will review the most recent results, and then describe a new observatory that will survey 2000 nearby low-mass stars with a sensitivity to detect rocky planets orbiting within their stellar habitable zones.","",""];
April[2]=["15","Frank Shu","UCSD","Star Formation: Disks, Jets, and Bipolar Outflows","Magnetization plays an important role in modern theories of the star-formation process. Slippage of neutrals relative to ions tied to magnetic fields in molecular cloud cores leads to a gravomagneto catastrophe in which the central regions formally acquire an infinite density concentration in finite time.  In the presence of rotation, inside-out collapse follows to form a star plus disk, but only if the resultant MHD is non-ideal at high densities.  The trapping of a finite amount of magnetic flux in the system leads to a global form of magnetorotational instability in the disk that transfers mass inwards and angular momentum outwards. Predictions are made for the resulting distribution of magnetization that are compatible with empirical measurements of the field in protoplanetary disks, but the data set is sparse. The magnetic field automatically achieves a configuration favorable for forming a disk wind, except that the disk rotation is sub-Keplerian by an amount that makes thermal launch difficult.  Lightly loaded, magnetocentrifugally driven, disk winds do not possess physical characteristics that look like observed jets in young stellar objects. Such jets are much better explained as the X-winds that result when the accretion disk interacts with a strongly magnetized central star. The theory of the resultant funnel flows onto the star is generalized to arbitrary superpositions of magnetic multipoles, with the concept of trapped flux at the X-point tested against observations.","",""];
April[3]=["22","Pascale Ehrenfreund","Leiden University","Cosmic Carbon Chemistry","","",""];
April[4]=["29","Gerry Gilmore","Cambridge University","How Cold Is Cold Dark Matter: dSph Galaxies as Cosmological Probes","The Galactic satellite dSph galaxies are the most dark matter dominated, the smallest, and the lowest luminosity galaxies known.  They may well be the first bound objects. Recently we have discovered many, and quantified their structure, and internal mass distributions. Surprising results include an apparent minimum luminosity spatial size for all galaxies -100pc-, apparently cored dark matter distributions, and uniformly low central mass densities - 10GeV/cc. None of these properties is as predicted in standard CDM galaxy formation models, while all challenge some types of particle proposed to dominate CDM.","",""];
April[5]=["30","Reinhard Genzel","MPE","The massive black hole at the Center of the Milky Way","Evidence has been accumulating for several decades that many galaxies harbor central mass concentrations that may be in the form of black holes with masses between a few million to a few billion time the mass of the Sun. I will discuss measurements over the last decade, employing adaptive optics imaging and spectroscopy on large ground-based telescopes that prove the existence of such a massive black hole in the Center of our Milky Way, beyond any reasonable doubt. These data also provide key insights into its properties and environment. Future interferometric studies of the Galactic Center black hole promise to be able to test gravity in its strong field limit. I will also briefly discuss the cosmological evolution of massive black holes.","Wednesday",""];


May[0]=["6","Felix Aharonian","MPIK","Very High Energy Gamma-Ray Sources","","",""];
May[1]=["9","Rashid Sunyaev","MPA","Carbon Monoxide and CII 158 Micron Line Emission from Merging Galaxies as a CMB Foreground: Tomography of the Star Forming Universe","","Friday",""];
May[2]=["13","Ken Freeman","Australian National Univ.","Galactic Disks","I will discuss some of the issues about galactic disks which are still not well understood.  These issues include the structure and chemical evolution of disks, disk heating, stellar moving groups, thick disks, bar formation, bulges, the formation of S0 galaxies, the evolution of the star formation rate in disk galaxies, maximum disks, scaling laws, and LambdaCDM problems on galactic scales.","",""];
May[3]=["20","Tim de Zeeuw","ESO","Beyond the Perfect Machine","The European Southern Observatory is an intergovernmental organization for astronomy, created in 1962 by Belgium, France, Germany, Sweden and The Netherlands, and today has 13 member states. Headquarters are located in Garching near Munich. ESO's mission is to enable scientific discoveries by constructing and operating powerful observational facilities that are beyond the capabilities of individual member states, and to organize collaborations in astronomy. ESO operates medium-sized optical telescopes on Cerro La Silla, the Very Large Telescope and Interferometer on Cerro Paranal, widely considered to be the most advanced optical/infrared observatory in the world, and the sub-millimeter observatory APEX on Llano Chajnantor, all located in Northern Chile. ESO represents Europe in a partnership with North America and East Asia that is constructing the Atacama Large Millimeter/sub-millimeter Array, to be completed in 2013. ESO is designing an Extremely Large Telescope with a 42m primary mirror and adaptive optics built-in, to be constructed in the next decade. The talk will summarize the current program, include some scientific highlights, and will outline the plan for the coming decade.","",""];
May[4]=["27","Raymond T. Pierrehumbert","Univ. of Chicago","Super-Earths or Super Venuses?","","",""];


September[0]=["30","Mike Zingale","SUNY Stony Brook","New Methods for Modeling Type Ia Supernovae","","",""];


October[0]=["7","Daniel Stinebring","Oberlin","Exploring the ISM with Pulsar-Based Holography","","",""];
October[1]=["14","John Carlstrom","U. Chicago","Cosmology with the Sunyaev-Zel'dovich Effect: New Results and Future Plans","","",""];
October[2]=["21","Avishay Gal-Yam","Weizmann Institute","The Nature of Cosmic Explosions","","",""];
October[3]=["28","Don Gurnett","U. Iowa","Planetary Radio Emissions","","",""];


November[0]=["4","Sandra Faber","UC Santa Cruz","Galaxy Evolution Over the Last Two-Thirds of Cosmic Time","Major surveys have now thoroughly sampled the galaxy population at redshifts below z~1.4 . This talk will summarize broadly what has been learned about galaxy evolution over these epochs, focussing on results from DEEP2 and Sloan.  The main conclusion is that galaxy evolution is highly correlated with stellar mass, which in turn is plausibly correlated with halo mass.  A useful working model is that galaxy evolution is driven principally by halo mass and that the star formation rate is given uniquely by halo mass at each redshift over these epochs.","",""];
November[1]=["11","Don Brownlee","U. Washington","Analysis of comet samples returned by the Stardust mission -- new insight into the origin of comets and crystalline silicates in disks","Stardust, the NASA comet sample return mission, obtained thousands of particles from comet Wild 2. Detailed laboratory study of this material from a body that formed beyond Neptune is providing new insight into the origin of comets and crystalline silicates in circumstellar disks.  The comet contains abundant refractory materials that apparently formed in the inner solar system and were transported to Kuiper belt.  Large-scale radial transport processes carried familiar components found in meteorites,  like fragments of chondrules and Calcium Aluminum Inclusions,  to the edge of the solar system. The comet also contains ultra-refractory compounds that are the first solids to condense from hot solar-composition gas.  Pre-solar grains (stardust!) have been found in the comet sample but their abundance appears to be lower than found in asteroidal meteorites from the inner solar system.  The new view of this Jupiter family comet is that it is a remarkable  mix of ices formed ~50K and inner solar system 'rocky' materials that formed at 1400-2000K","",""];
November[2]=["18","Nick Scoville","Caltech","Large Scale Structure and Galaxy Evolution in the COSMOS Survey","","",""];
November[3]=["25","Günther Hasinger","MPE","Cosmic evolution of Active Galactic Nuclei","","",""];


December[0]=["2","Vicky Kaspi","McGill","The Highest Magnetic Field Neutron Stars","","",""];
December[1]=["9","Ralph Lorenz","Johns Hopkins/APL","Titan Unveiled","","",""];