Astrophysics & Planetary Sciences Colloquium
APS Round Robin Colloquium
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Abstract:
For the first APS Colloquium of the year (Monday, Aug 22 from 12:10- 1:00pm), APS is planning to do round robin. All members of APS (faculty, postdocs, and students) are invited and encouraged to participate! Since there will not be any faculty research talks this fall, those interested in taking on students can view this as an opportunity to briefly introduce your research to new grad students and undergrads.
The MOSFIRE Deep Evolution Field (MOSDEF) Survey: A Detailed Census of the Physics of Galaxy Formation in the Early Universe
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This colloquium is in-person and online.
VIPER - A Next Great Leap in Mapping Water on the Moon
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Abstract:
NASA is sending a mobile robot to the surface of the South Pole of the Moon to get a close-up view of the location and concentration of ice and other resources. The Volatiles Investigating Polar Exploration Rover, or VIPER, is the first resource-mapping mission on another celestial body.
Formation, Evolution and Radiation of Magnetized Accretion Disks
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Abstract:
The impact of magnetic fields on the evolution and on the observational signatures of accretion disks is very uncertain. This uncertainty is mainly due to a lack of observational constraints on the magnetic field geometry or strength in accretion disks. However, even from a theoretical point of view our understanding of magnetized disks remains relatively poor. Indeed, analytic models of magnetized disks often need inputs from numerical simulations and numerical simulations of magnetized disks are difficult to perform and/or interpret.
CANCELLED: The MOSFIRE Deep Evolution Field (MOSDEF) Survey: A Detailed Census of the Physics of Galaxy Formation in the Early Universe
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This colloquium has been cancelled
Galaxies Lacking Dark Matter in LCDM Cosmology
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Abstract:
The standard cold dark matter plus cosmological constant model predicts that galaxies form within dark-matter haloes, and that low-mass galaxies are more dark-matter dominated than massive ones. The unexpected discovery of two low-mass galaxies lacking dark matter immediately provoked concerns about the standard cosmology and ignited explorations of alternatives, including self-interacting dark matter and modified gravity.