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標題: 不永恆的礸石 [打印本頁]

作者: benson    時間: 2009-3-25 11:57     標題: 不永恆的礸石

When Diamonds Aren't Forever



影像版權與提供: Anthony Ayiomamitis

Explanation:
      The track of totality for the first solar eclipse of 2006 began early yesterday on the east coast of Brazil and ended half a world away at sunset in western Mongolia. In between, the shadow of the Moon crossed the Atlantic Ocean, northern Africa, and central Asia, and so came for a moment to the small Greek island of Kastelorizo in the eastern Aegean. Astronomer Anthony Ayiomamitis reports that the islanders and many eclipse-watching visitors were indeed treated to an inspiring display of the beautiful solar corona as totality lasted about three minutes. As the total phase of the eclipse ended, he was able to capture this striking "diamond ring" image. In it, the first rays of sunlight shining through edge-on lunar valleys create the fleeting appearance of glistening diamonds set in a bright ring around the Moon's silhouette.

說明:
      2006年第一個日食的全食帶,昨天早上起始於巴西東岸,終止於半個地球外日落時分的蒙古西部。在二個端點之間,月亮的暗影橫掃過大西洋、非洲北部、及中亞,中途短暫降臨在東愛琴海希臘的卡斯特勞利松島 (Kastelorizo)。天文學家Anthony Ayiomamitis報告說在三分鐘的全食期間,島民和許多來看日食的遊客目暏了一場令人感動的美麗日冕演出。在全食階段結束時,他拍攝了這幅醒目的礸石環影像。影像中,穿透過月亮峽谷的首道日光,在很短暫的剎那,就像是鑲在環繞月亮剪影的亮環上之閃耀礸石。

資料來源: Scientific American
               Department of Physics, NCKU






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