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03 maio 2015
Moonrise Through Mauna Keas Shadow
How can the Moon rise through a mountain? It cannot -- what was photographed here is a moonrise through the shadow of a large volcano. The volcano is Mauna Kea, Hawai'i, USA, a frequent spot for spectacular photographs since it is arguably the premier observing location on planet Earth. The Sun has just set in the opposite direction, behind the camera. Additionally, the Moon has just passed full phase -- were it precisely at full phase it would rise, possibly eclipsed, at the very peak of the shadow. The Moon is actually rising in the triangular shadow cone of the volcano, a corridor of darkness that tapers off in the distance like converging train tracks. The Moon is too large and too far away to be affected by the shadow of the volcano. Refraction of moonlight through the Earth's atmosphere makes the Moon appear slightly oval. Cinder cones from old volcanic eruptions are visible in the foreground.
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comet & stars, photographed by stereo b, 15th march 2013.28...
comet & stars, photographed by stereo b, 15th march 2013.
28 images of comet panstarrs (c/ 2011 l4), 5 days after perihelion.
the bright object almost obscured by the comet’s tail (at top centre in the 2nd gif) is earth.
image credit: nasa/stereo. animation: ageofdestruction.
ageSekigahara – Prelude to War
Sekigahara – Prelude to War:
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One the 21st October, 1600 the eastern armies of Tokugawa Ieyasu and the western forces of Ishida Mitsunari fought for control of Japan on the misty plain s and hills of Sekigahara. It’s no great exaggeration to say that the battle of Sekigahara was one of the most pivotal battles in Japanese history. “Control Gifu and you control Japan”, it was often proclaimed during Japan’s sengoku, or warring states period (c. 1467 – 1603). The then province, now prefecture, appears at the centre of Japan’s main island, charged by geography to serve as the crossroads between east and west. Sekigahara is a plain in one of Gifu’s many winding valleys. And on that day in 1600, the outcome of the centuries of warfare would be all but decided. Check out this article to read more.
Many attempts have been made to domesticate zebras, but unlike...
Many attempts have been made to domesticate zebras, but unlike their relatives donkeys and horses, no attempts have ever been successful.
May 3rd 1469: Niccolò Machiavelli bornOn this day in 1469, the...
Niccolò Machiavelli (1469 - 1527)
Niccolò Machiavelli's tomb in the Basilica of Santa Croce in Florence
May 3rd 1469: Niccolò Machiavelli born
On this day in 1469, the Italian thinker Niccolò Machiavelli was born in Florence. He went on to become a central figure of the Renaissance that coloured Florentine life during the fifteenth and sixteenth centuries. Machiavelli was involved in city politics, especially during the fourteen years when the powerful Medici family were exiled from power when he was a diplomat. Upon their return, Machiavelli was dismissed for his opposition to their rule and thus occupied his time writing what has become considered his magnum opus: The Prince. This book is often considered a kind of handbook for ruthless politicians, as it detailed how one must be prepared to use any means to preserve political power. However, some scholars have suggested that the work was more of a satire than prescriptive guide. Machiavelli died on June 21st 1527, aged fifty-eight, and was buried in the Church of Santa Croce in Florence.
“Since love and fear can hardly exist together, if we must choose between them, it is far safer to be feared than loved.”
Information Via: http://ift.tt/19V5cyI On This Day in...
Information Via: http://ift.tt/19V5cyI On This Day in Psychology: A Showcase of Great Pioneers and Defining Moments.
Go Here –> http://ift.tt/1eWNk1f for free psychology info & resources.
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