TODAY IN THE HISTORY OF PSYCHOLOGY
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21 outubro 2016
Full Moon in Mountain Shadow
On October 15, standing near the summit of Hawaii's Mauna Kea and looking away from a gorgeous sunset produced this magnificent snapshot of a Full Moon rising within the volcanic mountain's shadow. An alignment across the Solar System is captured in the stunning scene and seeming contradiction of bright Moon in dark shadow. The triangular appearance of a shadow cast by a mountain's irregular profile is normal. It's created by the perspective of the distant mountaintop view through the dense atmosphere. Rising as the Sun sets, the antisolar point or the point opposite the Sun is close to the perspective's vanishing point near the mountain shadow's peak. But extending in the antisolar direction, Earth's conical shadow is only a few lunar diameters wide at the distance of the Moon. So October's Full Hunters Moon is still reflecting sunlight, seen through the mountain's atmospheric shadow but found too far from the antisolar point and the Earth's extended shadow to be eclipsed.
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A crannog is typically a partially or entirely artificial...
A crannog is typically a partially or entirely artificial island in the lakes, rivers and brackish waters of Scotland and Ireland. They were built and used as dwellings for over 5,000 years. The earliest known dates to the Neolithic period, and some were in use as late as the end of the 1600s and early 1700s.
Kareem Abdul-Jabbar, legendary basketball player, has published...
Kareem Abdul-Jabbar, legendary basketball player, has published fan fiction about Sherlock Holmes. His debut novel is Mycroft Holmes, starring Sherlock Holmes’ brainy older brother. Abdul-Jabbar says he first read and loved Doyle’s stories more than 40 years ago, in his rookie season. “I was fascinated by Holmes’ ability to see clues where other people saw nothing.”
Hubble Spins a Web Into a Giant Red Spider Nebula
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