... Astronomical Definition: self-replicating information . ... Climate Changes . Milloins of years timescale . ... Mass Extinctions in Geological History: . 500 million years ago (unclear) . ... Evidence from Fossil Record: 100-150 million year extinction periodicity ?? ... Climate Cycle ? ... Since the orbital period of the Sun around the center of the Galaxy is about 250 million years then every 100-150 million years the earth is in a spiral arm which is a region of high supernova density. ...
APO and the Adler Planetarium Mark Hammergren APO 20th Anniversary Celebra;on May 13, 2014 1939 poster Adler Research and Outreach · Twilight observing during extended evening hours (ended mid2000s), observing classes · Two major research programs: Star forma;on (led by Grace WolfChase) Confirma;on of basal;c asteroids (led by Mark Hammergren) Molinari 11 NearEarth Object Followup and Characteriza;on with ARC ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/ARCprogress/051214ARC20Anniv/Presentations/Science/APO%20and%20the%20Adler%20Planetarium.pdf -- 1221.4 Кб -- 01.08.2014 Похожие документы
... Bojan Nikolic web pages (r. 329) . ... 2015), ADS Entry , PDF pre-print . ... Bojan Nikolic, Rosie C. Bolton, Sarah F. Graves, Richard E. Hills and John S. Richer, Phase Correction for ALMA with 183 GHz Water Vapour Radiometers , Accepted by A&A, February 2013, PDF , ADS entry , ArXiv record , related software: ALMA WVR phase correction algorithms and software . ... PDF , local PDF . ... PDF . ... The documents listed below are generally only published only on my web-pages. ... Publication List . ...
... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La Nasa recense les ast†йro†пdes dangereux . ... Le satellite de la Nasa WISE a r†йalis†й l'estimation la plus pr†йcise †а ce jour de tous les ast†йro†пdes potentiellement dangereux pour notre plan†иte. ... 03/02/2016 - Le Luxembourg veut exploiter les ast†йro†пdes . ...
Разработка, исследование и изготовление мощных полупроводниковых лазеров, излучающих в диапазоне длин волн 800 - 1800 нм. ... 30-летний опыт работы по разработке и изготовлению полупроводниковых лазеров . ... Диапазон длин волн - 800 - 1800 нм . ... Ознакомление с физическими и технологическими принципами работы мощных импульсных полупроводниковых лазеров с интегрированным тиристорным переключателем . ... Мощные импульсные полупроводниковые лазеры - физические основы и практическое применение . ...
Report by the ESA-ESO Working Group on The Herschel-ALMA Synergies Introduction & Background Following an agreement to cooperate on science planning issues, the executives of the European Southern Observatory (ESO) and the European Space Agency (ESA) Science Programme and representatives of their science advisory structures have met to share information and to identify potential synergies within their future projects. The agreement arose from their joint founding membership of EIROforum
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Ссылки http://www.stecf.org/coordination/esa_eso/alma-herschel/report.pdf -- 1000.5 Кб -- 04.09.2008 Похожие документы
... For XMM-Newton a ToO is an astronomical event observable by its instruments, which cannot be predicted and scheduled on the time scale of one year, yet is scientifically significant to justify the interruption of the ongoing XMM-Newton programme. ... Thus, XMM-Newton provides a unique opportunity for a wide variety of sensitive X-ray observations accompanied by simultaneous optical/UV measurements. ... It takes almost 48 hours to complete one revolution around the Earth. ... Figure Captions Figure 1...