... A transit of Mercury across the Sun's disk occurred last November and, as part of ... of the public at the transit of Mercury viewing in Narrabri; Photo: Michael Dahlem ...
... Using Doppler Radar Students measure the equatorial velocity of Mercury using radar echoes from a simulated radio telescope ... of photons from the core of the sun to the surface (illustrating random walk), and through the atmosphere (illustrating the ...
... mirrors due to gravitational and structural flexing to provide a smoother surface ... value for the тАШcolourтАЩ hence effective (surface) temperature of a star that can ...
... of this given in the syllabus is: 2. 3. 4. 5. 6. 7. it can also be expressed as m A - m B = -2.512 log(I A I B ) where m refers to the (apparent) magnitude of the stars, A and B and I the intensity or energy per unit surface area at the earth's surface ...
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Ссылки http://www.atnf.csiro.au/outreach/education/teachers/resources/ConceptualAstrophysics2004.pdf -- 786.9 Кб -- 22.01.2014 Похожие документы
... Its discoveries included: · images of the surface of Venus · molecular hydrogen in ... where the detector material (in this case mercury cadmium telluride) is bump-bonded ...
... to the (apparent) magnitude of the stars, A and B and I the intensity or energy per unit surface area at the earth's surface ... surface area per second is simply a function of the fourth power of temperature, that is: l T 4 where is a constant If two ...
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Ссылки http://www.atnf.csiro.au/outreach/education/teachers/resources/VCEPhys_EffecAstro.pdf -- 1703.4 Кб -- 22.01.2014 Похожие документы
... the calibration, mostly by using a noise source on the surface of the antenna ... the large angular size and the low surface brightness of the outer lobes make this ... Mopra report Noteworthy events A transit of Mercury across the Sun's disk occurred ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/feb07/ATNFnews_07Feb.pdf -- 2294.9 Кб -- 13.04.2007 Похожие документы
... the calibration, mostly by using a noise source on the surface of the antenna ... the large angular size and the low surface brightness of the outer lobes make this ... Mopra report Noteworthy events A transit of Mercury across the Sun's disk occurred ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/feb07/ATNFnews_07Feb_lowres.pdf -- 801.3 Кб -- 13.04.2007 Похожие документы