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Archived Webcasts (October 27, 2017 to February 24, 2018)
Wednesday Feb 21, 2018
2018 Spring Science Colloquia
Vicky Kalogera (Northwestern University)
In the past two years the gravitational-wave detections enabled by the LIGO detectors have launched a new field in observational astronomy allowing us to study compact object mergers involving pairs of black holes and neutron stars. I will discuss w ...
Thursday Feb 15, 2018
JWST Talks
Rob Douglas (Space Telescope Science Institute)
Wednesday Feb 14, 2018
2018 Spring Science Colloquia
Suzanne Staggs (Princeton University)
Famously, the rich angular power spectrum of the intensity of the cosmic microwave background (CMB) reveals the state of the universe a mere 10^{13} s after the big bang. In its fine-angular scale details, the CMB also encodes details of the CMB’s in ...
Tuesday Feb 13, 2018
JWST Talks
Stefanie Milam & John Stansberry (NASA/GSFC & STScI)
JWST Talks
Stefanie Milam & John Stansberry (NASA/GSFC & STScI)
Wednesday Feb 7, 2018
2018 Spring Science Colloquia
Jennifer Johnson (Ohio State University)
Reliable stellar ages hold the key to numerous questions of galaxy and stellar system formation. However, they have been frustratingly hard to measure for field stars. While Gaia will improve the situation markedly for nearby turnoff stars, determina ...
Tuesday Feb 6, 2018
STScI Public Lecture Series
Frank Summers (Space Telescope Science Institute)
STScI Public Lecture Series
Hannah Wakeford (Space Telescope Science Institute)
Though we may complain about it, Earth has nothing on the universe when it comes to wild weather. Within our own solar system, there are storms so large that our entire planet would be engulfed three times over. The thousands of exoplanets we hav ...
Friday Feb 2, 2018
STScI Astrobiology Lecture Series
Alfonso F. Davila (NASA Ames Research Center, Exobiology Branch)
Are we alone in the Universe? The search for life beyond Earth is the most compelling scientific question of our time; a positive detection would be one of the most profound discoveries ever made by humanity. Chemical evidence of habitable conditions ...
Wednesday Jan 31, 2018
2018 Cold Science Colloquia
Lea Hagen (STScI)
No description found.
2018 Cold Science Colloquia
Armin Rest (STScI)
No description found.
Wednesday Jan 24, 2018
2018 Cold Science Colloquia
Kirsten Hall (JHU)
No description found.
2018 Cold Science Colloquia
Giovanni Bruno (STScI)
No description found.
Wednesday Jan 17, 2018
2018 Cold Science Colloquia
Nick Indriolo (STScI)
Nick Indriolo (STScI) – The Cosmic-ray Flux in z~2 Galaxies Inferred from Molecular Abundances Interstellar gas-phase chemistry is primarily driven by fast ion-molecule reactions, and cosmic rays are the dominant mechanism for ionizing hydrogen in s ...
2018 Cold Science Colloquia
Jennifer Lotz (STScI/JHU)
Jennifer Lotz (STScI) – Quantifying the Evolution of Galaxy Distributions Abstract: We present a powerful new empirical methodology for tracking the evolution of galaxy distributions over cosmic time. With the PanSTARRS Optical Galaxy Survey (PO ...
Tuesday Jan 16, 2018
STScI Public Lecture Series
Frank Summers (STScI)
No description found.
STScI Public Lecture Series
Alexandra Lockwood, Bonnie Meinke, Klaus Pontoppidan (STScI)
No description found.
Friday Jan 12, 2018
JWST Talks
Ken Sembach, Nikole Lewis, Dan Coe, Klaus Pontoppidan, & Bonnie Meike (Space Telescope Science Institute)
JWST Talks
John Mather, Alex Lockwood & Carl Starr (Space Telescope Science Institute & GSFC)
Wednesday Dec 13, 2017
2017 Fall Science Colloquia
Gilles Fontaine (University of Montreal)
A few years ago, Charpinet, Fontaine, & Brassard (2009, Nature, 461, 501) developed a new approach to test for solid body rotation (and deviations thereof) in pulsating stars. The method was successfully applied to the prototype of the GW Vir class o ...
Wednesday Dec 6, 2017
2017 Fall Science Colloquia
Mark Vogelsberger (Massachusetts Institute of Technology)
In my talk I will describe recent efforts to model the large-scale distribution of galaxies with cosmological hydrodynamics simulations. I will focus on the Illustris simulation, and our new simulation campaign, the IllustrisTNG project. After demon ...
Tuesday Dec 5, 2017
STScI Public Lecture Series
Frank Summers (Space Telescope Science Institute)
STScI Public Lecture Series
Kelsey Glazer (Towson University)
A double dose of cosmic considerations, presented by the first undergraduate guest speaker in this series! Begin with the simple, yet deep, question of "why is the night sky dark?" This classic conundrum was raised two centuries ago because it ...
Friday Dec 1, 2017
STScI Astrobiology Lecture Series
Kevin Peter Hand (NASA/Jet Propulsion Lab/Caltech)
Where is the best place to find living life beyond Earth? It may be that the small, ice-covered moons of Jupiter and Saturn harbor some of the most habitable real estate in our Solar System. Life loves liquid water and these moons have lots of it! Dr ...
Wednesday Nov 29, 2017
2017 Fall Science Colloquia
Victoria Kaspi (McGill University)
Fast Radio Bursts (FRBs) are a newly discovered astrophysical phenomenon consisting of short (few ms) bursts of radio waves. FRBs occur roughly 1000 times per sky per day. From their dispersion measures, these events are clearly extragalactic and p ...
Tuesday Nov 28, 2017
Hard Science, Soft Skills Series
Sam Killermann (Sam Killermann)
Friday Nov 10, 2017
Youth for Astronomy and Engineering (YAE)
Tania Anderson, Rosa Diaz, Marvin Harris (STScI)
No description found.
Wednesday Nov 8, 2017
2017 Fall Science Colloquia
Mariska Kriek (University of California-Berkeley)
In past years, large and deep photometric and spectroscopic surveys have significantly advanced our understanding of galaxy growth, from the most active time in the universe (z~2) to the present day. In particular, the evolution in stellar mass, star ...
Tuesday Nov 7, 2017
STScI Public Lecture Series
Frank Summers (Space Telescope Science Institute)
STScI Public Lecture Series
Elizabeth Tasker (Japan Aerospace Exploration Agency)
In exploring of our own solar system, astronomers have uncovered some weird worlds. However, these are nothing compared to the lands harboured by our neighbouring stars. Huge Jupiters snuggle so close to their star that their years last only ...
Friday Nov 3, 2017
AV Test
staff  (STScI)
No description found.
Wednesday Nov 1, 2017
2017 Fall Science Colloquia
Blakesley Burkhart (Harvard-Smithsonian Center for Astrophysics)
Our current view of the interstellar medium (ISM) is as a multiphase environment where turbulence affects many key processes. These include star formation, cosmic ray acceleration, and the evolution of structure in the diffuse ISM. It is therefore es ...