| 2009 |
Hal Levison, Southwest Research Institute
What Planets Are and How They Form |
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| 2008 |
Neil Gehrels, NASA Goddard Space Flight Center / Swift
Black Holes: From Einstein to Gamma Ray Bursts |
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| 2007 |
Michael Turner, University of Chicago
The Dark Side of the Universe |
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| 2006 |
Scott Ransom, National Radio Astronomy Observatory - Charlottesville
The Stellar Undead |
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| 2005 |
Jeff Hester, Arizona State University
From the Big Bang to Big Brains: the Origin of Structure in an Evolving Universe |
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| 2004 |
Paul Butler, Department of Terrestrial Magnetism, Carnegie Institution
Extrasolar Planets: A First Reconnaissance (AAS Second Century Lecture) |
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| 2003 |
Prasun Desai, NASA Langley / Mars Exploration Rover Mission
Mars Exploration in the Coming Decade |
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| 2002 |
Steve Murray, Harvard Smithsonian Center for Astrophysics / Chandra
X-ray Astronomy Comes of Age - The Chandra X-ray Observatory View of the Cosmos |
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| 2001 |
Jay Bergstralh, Solar System Exploration Division, NASA
A Grand Tour of the Moons of Jupiter |
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| 2000 |
Virginia Trimble, U. Cal.- Irvine/U. Maryland
Cosmology: Man's Place in the Universe |
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| 1999 |
Robert Kirshner, Harvard Smithsonian Center for Astrophysics
The Universe: Big, Old, and Accelerating |
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| 1998 |
John Wood, NASA Goddard Space Flight Center
Resolution: Latest Results from the Hubble Telescope |
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| 1997 |
Bruce Carney, UNC-Chapel Hill
How Old is Our Universe? |