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Senator Bill Nelson (D-Florida) Sec.201 (b) UNITED STATES HUMAN SPACE FLIGHT CAPABILITIES.—Congress reaffirms the policy stated in section 501(a) of the National Aeronautics and Space Administration Authorization Act of 2005 (42 U.S.C. 16761(a)), that the United States shall maintain an uninterrupted capability for human space flight and operations in low-Earth orbit, and beyond, as [...] I haven’t blogged in a few days while investigating the odd features of the Egyptian-Libyan Sahara. I first started poking around this subject following the announcement of the fresh and appetizing Kamil Crater in the central-western Egyptian Sahara. This got me to looking into the subject of other purported craters in the Sahara. I had no idea that a [...] See session proceedings here. Session 5: Comet Impact as the Cause of the Younger Dryas: Pros and Cons Chair: Dan Muhs Allen West 1:00 p.m. Allen West – The Younger Dryas impact controversy: Exploring the competing hypotheses for the deposition of nanodiamonds, magnet c spherules, and other evidence at 12.9 ka Todd Surovell 1:30 p.m. [...]
Two great Americans We need to take the next step. Our NEO search and tracking program continues to move forward, but nobody is taking responsibility for protection. I am more confident than ever in our ability to identify potential threats from asteroids and comets, but it is critical to [...]
In my day work I am no stranger to government bureaucracies and “programs” manipulating information about their activities until it suits them to do otherwise. The WISE mission is no different. In March of this year David Shiga wrote an obviously informed article revealing early results of the WISE mission (below). [...] I had the good fortune to meet Michael Davias, the author of the Perigee Zero website, at the AGU Fall meeting last December. Mike has taken the Bay phenomena on-line better than anyone — including me. He has also been fearless in his (well considered) speculation. I have long intended to get Perigee Zero properly [...]
The frequency of impacts of objects of various sizes is known only to limited precisions. In particular, objects up to several meters in diameter explode in the atmosphere without reaching the surface. Although the energy released in these explosions may be many times greater than that released by the Hiroshima bomb, [...] |
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