| Ultimi arrivi - The Universe Inside |
The_Sun~0.jpgPurple Sun (by Marco Faccin)77 visitenessun commentoMareKromiumGiu 21, 2009
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Infinity_plus_One.jpgInfinity plus One (by Larry Landolfi)116 visitenessun commentoMareKromiumGiu 13, 2009
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AlphaCentauriOne.pngUnder Alpha Centauri...80 visitenessun commentoMareKromiumGiu 12, 2009
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StarBirth-PIA12008.jpgStar-Birth84 visitenessun commentoMareKromiumMag 25, 2009
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MeteorMilkyway_rowell.jpgTemporary Sky77 visitenessun commentoMareKromiumMag 02, 2009
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Minds-MF.jpgA Beautiful Mind (by Marco Faccin)77 visitenessun commentoMareKromiumApr 29, 2009
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Terra_03.jpgTerra! (additional process. by Giorgio Picciau)92 visitenessun commentoMareKromiumApr 23, 2009
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Terra_04.jpgTerra! (additional process. by Giorgio Picciau)78 visitenessun commentoMareKromiumApr 23, 2009
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Sands-20070801_Spirit-1.jpgWorking in the Sand...82 visitenessun commentoMareKromiumApr 23, 2009
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LongAgo.gifAccording to Lagrange...82 visitenessun commentoMareKromiumApr 22, 2009
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OldAgeAstronomy.jpgMedieval Astronomy from the "Melk Abbey"80 visiteDa "NASA - Picture of the Day" del giorno 17 Aprile 2009:"Discovered by accident, this manuscript page provides graphical insight to astronomy in medieval times, before the Renaissance and the influence of Nicolaus Copernicus, Tycho de Brahe, Johannes Kepler, and Galileo.
The intriguing page is from the lecture notes on astronomy compiled by the monk Magister Wolfgang de Styria before the year 1490 at Melk Abbey in Austria.
The top panels clearly illustrate the necessary geometry for a lunar (left) and solar eclipse in the Earth-centered Ptolemaic system.
At lower left is a diagram of the Ptolemaic view of the solar system and at the lower right is a chart to calculate the date of Easter Sunday in the Julian calendar.
Text at the upper right explains the movement of the planets according to the Ptolemaic system.
The actual manuscript page is on view at historic Melk Abbey as part of a special exhibition during the International Year of Astronomy".MareKromiumApr 17, 2009
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HighwaysToForever090306_6229-32.jpgHighways to Forever96 visitenessun commentoMareKromiumApr 14, 2009
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