Explanation: Discovered by accident, this manuscript pageprovides graphical insight to astronomy inmedieval times, before theRenaissance and the influence ofNicolaus Copernicus,Tycho de Brahe,Johannes Kepler, andGalileo.The intriguing page is from the lecture noteson astronomy compiled by the monk Magister Wolfgang de Styriabefore the year 1490 at Melk Abbey in Austria.The top panels clearly illustrate the necessary geometry for alunar (left) and solar eclipse in the Earth-centeredPtolemaic system.At lower left is a diagram of thePtolemaic view of the solar systemand at the lower right is a chart to calculate thedateof Easter Sunday in theJulian calendar.Text at the upper right explains themovementof the planets according to the Ptolemaic system.The actual manuscript page is on view at historicMelk Abbeyas part of aspecial exhibition during theInternational Year of Astronomy.
说明:偶然发现的这张手稿,成为中世纪天文学留下的最直观证据,它出现在文艺复兴之前,没有受到尼古拉.哥白尼,第谷.布拉赫,约翰内斯.开普勒以及伽利略的影响。这发人深省的一页是有关天文学的讲稿,由公元1490年前奥地利梅尔克.修道院修道士Wolfgang de Styria编译。页面的上部清晰地描绘出在以地球为中心的托勒密系统中,月食与日食形成的原理。左下角是托勒密地心说的太阳系图示,而右下角是一张罗马儒略历计算复活节日期的图标。右上角的文字揭示了托勒密系统内行星的运动。作为国际天文年期间特殊展览的一部分,真正的原稿正在历史悠久的梅尔克修道院内展出。