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| James Van Allen at National Air & Space Museum (NASM), 1981, Photo courtesy of NASM. Explorer I model and Pioneer H probe in background |
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| The three men responsible for the success of Explorer 1, America's first satellite, launched Jan. 31, 1958. From left, William H. Pickering, James Van Allen and Wernher von Braun. Photo Credit: NASA. |
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| Simulated Van Allen Belts generated by plasma thruster in tank #5 Electric Propulsion Laboratory at the Lewis Research Center, Cleveland Ohio, now John H. Glenn Research Center at Lewis Field. Photo Credit: NASA. |
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| Nick Woolf chatting with his computer during Astrobiology Magazine's debate on alien life. |
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| Dr. Nick Woolf, a PI in the NASA Astrobiology Institute who leads the University of Arizona team at the Astrobiology Science Conference March, 2006. |
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| Peter Ward, author of "Life As We Do Not Know It," at the Astrobiology Science conference last March. |
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| Peter Ward launching the debate on alien life at the Astrobiology Science conference March, 2006. |
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| In 1997, Steve Benner established the Foundation for Applied Molecular Evolution to host research into big questions, especially those that combine the physical sciences with natural history. He participated in the Great Alien Debates at the Astrobiology Science conference March, 2006. |
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| Pascale Ehrenfreund |
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| Carol Cleland, a philosopher at the University of Colorado, at the Astrobiology Science Conference March, 2006. |
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| Pam Conrad, a geologist with JPL, at the Astrobiology Science Conference March, 2006. |
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| Pam Conrad at the Great Alien Debates. |
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Dr. Joshua Lederberg. Image credit: National Library of Medicine.
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Dr. Joshua Lederberg at the Kennedy Space Center in an undated photo. Image credit: National Library of Medicine.
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| Pascale Ehrenfreund |
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| Steve Benner |
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| Pam Conrad |
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| Carol Cleland |
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| Neville Woolf |
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| Dr. Jason P. Dworkin |
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| Neville Woolf |
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| Peter Ward |
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| Steve Benner |
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| John Grotzinger |
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| "If the hypothesis is true, it would mean that we killed the Martian microbes during our first extraterrestrial contact, by drowning–”due to ignorance," said Schulze-Makuch. Credit: Washington State University |
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Doctoral student Nicole Cates and Assistant Professor Stephen Mojzsis survey a landscape of ancient rocks in Hudson Bay, Quebec confirmed by the CU-Boulder team to date back roughly 3.75 billion years, making them among the most oldest known rocks on Earth.
Credit: University of Colorado at Boulder |
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01/14/09 |
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| Eric Calais, a Purdue associate professor of geophysics, shows equipment he used to track movements of the continent of Asia over a 10-year period. In his right hand, Calais holds an example of the geodetic markers he and his team drilled into the Earth's surface to track movements as small as one millimeter. The data he collected addressed the 40-year debate over how continents respond during collisions of tectonic plates. Credit: Purdue News Service photo/David Umberger |
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Michael Brown heads the California Institute of Technology (Caltech) Planetary Astronomy Group. He is a planetary science professor who investigates the solar system and the solar neighborhood, primarily through observational methods, both surface and spacecraft-based. Image credit: NASA/JPL
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Photo of Melissa G. Trainer working with the AMS, the mass spectrometer used in the experiments.
Image credit: Margaret Tolbert |
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| Clyde Tombaugh discovered Pluto in 1930, using telescopes at the Lowell Observatory. |
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| Apollo astronaut Eugene Cernan, after an encounter with lunar dust. |
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| Lunar Dust Workshop Co-chair Daniel Winterhalter. |
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| The dust-covered spacesuit of Apollo astronaut Harrison Schmitt (lower half). The favorite method of picking up a dropped item on the moon was to do a "face-plant," followed by a one-arm pushup. (Note that this is a color photograph.) |
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Geophysicist Hubert Staudigel in his lab with a seafloor pillow lava.
Credit: Scripps |
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| Charley Lineweaver, Australian National University and the Planetary Science Institute. |
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| James Lovelock proposed the Gaia hypothesis, in which Earth is a self-regulating organism. Photo Credit: Comby Institute. |
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| James Lovelock |
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| newfound_banner |
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| ESO |
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| afj |
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| boyce |
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| prototaxites |
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| Jim Elser of Arizona State University studies an oncolite he pulled out of Rio Mesquites. Photo Credit: Mya Breitbart, University of South Florida. |
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Cassie Conley
Planetary Protection Officer |
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Stanley Miller, 1999
Credit: James A. Sugar
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Stanley Miller at the University of Chicago.
Credit: University of Chicago
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| ExoMars Project Scientist Jorge Vago. credit: Henry Bortman |
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| Frank Drake writes out his formulation for estimating alien life in the galaxy, the Drake Equation. |
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| Frank Drake |
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| Vikki Meadows, Principal Investigator for the Virtual Planetary Laboratory. |
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