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Submillimeter observations can test our understanding of interstellar chemistry in many important ways. Submillimeter observations can help identify heating and cooling processes in molecular clouds i. The UV-radiated surfaces of molecular clouds harbor a rich photochemistry that serves as an excellent testing grounds for theories of molecule formation and dissociation. Evolved dying stars undergo periods of brief but potent mass loss. This ejected material forms dust and molecular gas which allows astronomers to probe dust formation, the enrichment of matter by stellar nucleosynthesis, and stellar winds.

The capability of exploring the starforming properties of galaxies at high redshift via [CII] spectroscopy is tantalizing. Very large bandwidth observations of apparently "blank" regions of sky like the Hubble Deep Field see image above should yield many detections of [CII], which allows the determination of redhsifts, distances, and gross star formation rates. A microwave-sensitive telescope like the HHT can also probe the edge of the observable Universe directly, which is of interest to cosmologists. This radiation stems from about 1 million years virtually a blink of an eye, cosmologically speaking after the Big Bang, when the Universe had expanded and cooled to an extent that atoms could form; leaving light waves to travel freely through space.

Until that point, the Universe was ionized, and too dense and hot for light to travel far without interacting with matter. The so-called "last scattering surface" marks the epoch when the Universe became "transparent" and not "opaque".


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  • Here are a few of them: Molecular Clouds and Star Formation Among the most pressing of these questions is how stars are formed. Star formation takes place in other galaxies too -- and often on a much larger and more violent scale than ever imagined!

    Observational Molecular Astronomy Exploring The Universe Using Molecular Line Emissions

    Nuclear Physics. CGM Berlin Cosmic Controversies. Atomic and Molecular Physics. Warm Ionized Medium in Galaxies Workshop. One of the challenges of the LSST community is to optimize the scientific return of observations by preparing participants to source separation i. Third Sino-Italian Workshop on Astrostatistics. Probability and Statistics, Game Theory. New Zealand Starlight Conference. Astrotourism, astrophotography, astronomy, lighting technology, artificial light at night, health impact of blue light, environmental impact of blue light, light pollution, LEDs, aesthetics of night sky.

    Galaxy Angular Momentum Alignment In the Spirit of Lyot White Dwarfs as probes of fundamental physics and tracers of planetary, stellar and galactic evolution - IAU Symposium From October 21 — 22nd we will hold the third brown dwarf to exoplanet connection conference on the campus of the University of Delaware.

    Gamma-ray Bursts in the Gravitational Wave Era Voyage workshop - Shaping the European Space Agency's space science plan for The TMT Science Forum is the prime opportunity to learn about the Thirty-Meter-Telescope, get an update on its design and construction, discuss its science capabilities, and become involved in shaping the observatory's future. Scintillometry Workshop Science with the Submillimeter Array: Present and Future.

    Courses and Events for Physics Students. MIST — Cosmic turbulence and magnetic fields : physics of baryonic matter across time and scales.

    Gravity drives the evolution of the universe, but the gas dissipative dynamics is a central, yet unsolved, issue in the theory of galaxy formation. Geophysics and Geology. First Spanish Meeting on Galaxy Clusters. As well as exposing participants to VLBI technique and analysis, this workshop also provides an excellent opportunity to identify core items, discuss about the role of Malaysia and future directions in the VLBI community, build up new collaborations among East Asia and worldwide astronomers, and increase the VLBI activities in the region.

    Plasma and Gas-discharge Physics, Nuclear Fusion. The school offers a broad training program including: - the theoretical aspects of the acceleration and propagation of non-thermal particles, - direct and indirect measurements of cosmic rays, - the role of cosmic rays in astrophysics and its place in multi-messenger astronomy and the understanding of dark matter, - two practical sessions on propagation models and their comparison to direct measurements, and data analysis with the future Cherenkov Telescope Array.

    Physics of acceleration and transport — Direct measures — Indirect measures — Cosmic rays and interstellar medium — Cosmic rays and dark matter. Science at Low Frequencies VI. CoSyne — Cosmological Synergies in the upcoming decade. The coming decade of astrophysics and cosmology will be driven by a large number of missions which will explore the cosmos observing the sky through e. Cosmic microwave background, gravitational waves, large scale structure, line intensity mapping, standard candles. The School will cover topics relevant to theoretical and observational cosmology.

    Neutrino Cosmology, Non-linear perturbation theory, Testing dark energy with current and future observations, CMB polarisation and spectral distortions. Rocky Worlds: from the Solar System to Exoplanets. Non-vanishing neutrino masses and the existence of non-baryonic Dark Matter DM represent the only two firm observational evidences of new physics beyond the Standard Model SM.

    This conference will bring together experts in cosmology, particle physics, and fundamental theory to address how and when the universe thermalizes following inflation, and the associated particle physics and dark matter phenomenology. Kavli-IAU Workshop — International co-ordination of multi-messenger transient observations in the s and beyond. The objective of this workshop is to explore the challenges in making international multi-messenger collaborations function and to draft a white paper with recommended best practice.

    Magnetic Fields in the Universe 7.

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    This international conference is part of a series of conferences that have been dedicated to the topic of Cosmic Flows over the last two decades: most recently in Queensland, Australia, in Marseille, France and in Quy Nhon, Vietnam. Flyby observations and related sciences, Onboard instruments with a special emphasis on cameras. Cloud Academy II. The Physical Challenges of Astrostatistics.


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    • Astrostatistics is developing fast as astronomy is confronted to huge volumes of data. The two Fermi instruments have been surveying the high-energy sky since August Growing Black Holes: Accretion and Mergers. The interplay between ubiquitous dust, ice and gas in space knits an interesting tale from collapsing interstellar clouds to the formation of new stars, planets, moons and comets. As general structure for the programme, we aim at discussing probes of cosmic expansion, tests of structure growth and at understanding the implications of combining them.

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      This conference will synthesize recent observational discoveries of massive star clusters in nearby galaxies and the high-redshift universe. Mathematical Physics. The magnetized Galactic interstellar medium has become a main hindrance in the analysis of cosmological data. Cosmic microwave background, Large scale structure, Cosmic magnetism, Galactic astrophysics, Interstellar matter, Computational cosmology, component separation methods.

      Massive Stars Near and Far. This programme will bring together experts with complementary expertise in observation, theory, solar system and extrasolar planets to assess the current status of planet formation models, highlight problems in each formation stage, and explore the possibility of developing comprehensive models that can be applied to different planetary systems. SPIE — The international society for optics and photonics. Adaptive optics, exoplanets, Interferometry, infrared, polarimetry, telescope Instrumentation, spectrograph, spectroscopy, telescope, calibration, polarimetry, ELT, interferometry, wavefront sensing and distortion, diffractive optics.

      Scientists find universe's earliest molecule

      Atomic and molecular spectra, spectral lineshapes, fundamental metrology, astronomical spectroscopy, spectroscopy of planetary atmospheres, collision-induced spectra. Scientific topics will range from the origin of galactic and extragalactic cosmic rays to the physics and astrophysics of compact objects Pulsars, Microquasars, AGN and their relativistic outflows, as well as to cosmological issues related to Dark Matter, Intergalactic radiation and magnetic fields, and topics relevant to fundamental physics.

      Hot Stars: Life with Circumstellar Matter. We will organize an international conference with the main focus on hot stars showing effects of the presence of circumstellar material such asspectral line emission, excess radiation in the visual and infrared regions, stellar spectrum veiling, nebulocities, brightness and spectrum variations.

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      Exoplanets III. Theoretical aspects of applied mathematical research on nonlinear waves and coherent structures are relevant to subjects as diverse as general relativity, high-energy particle and plasma physics, fluid and solid mechanics, nonlinear electrical circuits, Bose-Einstein condensation, nonlinear optics, random media, atmosphere and ocean dynamics, chemical reactions, and biology. The Symposium will bring together solar and stellar physicists investigating the dynamics of convection zones and lower atmospheres. Convection solar — on different scales — and stellar , Differential rotation and meridional circulation both solar and stellar , Global dynamo in the Sun and stars; solar-cycle observed patterns and predictions , Helioseismology and asteroseismology both global and local; probing subsurface structure and dynamics , Local processes of magnetic-flux emergence, sunspot and starspot formation observed patterns of sunspot evolution, small-scale motions, local dynamo.

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      The event is the ninth in a series of meetings gathering scientists working on astroparticle physics, cosmology, gravitation, nuclear physics, and related fields. For decades scientific researchers have wondered how the solar system formed and evolved. Within these, most of the interstellar hydrogen has formed the molecule H 2 molecular hydrogen. Other, more complex molecules are also present in much smaller quantities.

      Giant molecular clouds have densities of hundreds to thousands of atoms per cm 3 , much denser than interstellar space is on average. Because of their high density, molecular clouds block ultraviolet starlight, the main agent for heating most interstellar gas. Giant molecular clouds are also the sites where new stars form, as we will discuss below. It is in these dark regions of space, protected from starlight, that molecules can form.

      Chemical reactions occurring both in the gas and on the surface of dust grains lead to much more complex compounds, hundreds of which have been identified in interstellar space. Among the simplest of these are water H 2 O , carbon monoxide CO , which is produced by fires on Earth, and ammonia NH 3 , whose smell you recognize in strong home cleaning products.