Descripción:
Amateur astronomy equipment, techniques, info, etc.
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Pac boots
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Where can I find Pac boots that are rated to -100 degrees F? My wife has been doing a lot of searching but hasn't had any luck. We're basing this on the recommendation The Ironman's Tips for Staying Comfortable While Observing in Cold Weather, [link] Thanks!
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Doom-saying kooks, time to start screaming again
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Restart for 'Big Bang' experiment By Paul Rincon Science reporter, BBC News The Large Hadron Collider (LHC) experiment has been re-started after a hiatus of 14 months. Engineers have now made two stable proton beams circulate in opposite directions around the machine. If all continues to go well, the team might even try to increase the... más »
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Sky & Telescope's Weekly Bulletin - November 20, 2009
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News ============================== ========== In Memoriam: John Gregory ------------------------------ ---------- November 19, 2009 | The world of amateur telescope making has lost a charismatic optical engineer and innovator at age 82. One of the "big guns" of yesteryear, John Gregory introduced the Gregory-Maksutov telescope... más »
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