22 outubro 2016

Do Science At Home

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Cerro Tololo Trails


Early one moonlit evening car lights left a wandering trail along the road to the Chilean Cerro Tololo Inter-American Observatory. Setting stars left the wandering trails in the sky. The serene view toward the mountainous horizon was captured in a telephoto timelapse image and video taken from nearby Cerro Pachon, home to Gemini South. Afforded by the mountaintop vantage point, the clear, long sight-line passes through layers of atmosphere. The changing atmospheric refraction shifts and distorts the otherwise steady apparent paths of the stars as they set. That effect also causes the distorted appearance of Sun and Moon as they rise or set near a distant horizon.

from NASA http://ift.tt/2eaaudK
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A depiction of a buraq, a flying horse from Islamic legends...



A depiction of a buraq, a flying horse from Islamic legends which transports prophets. Most famously, it was a buraq which took Muhammad from Mecca to Jerusalem and back in one night, the “Night Journey” upon which Muslim claims to Jerusalem are founded. Illustration from Aceh, Indonesia, circa early 1900s.

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Who’s the First Person in History Whose Name We Know?

Who’s the First Person in History Whose Name We Know?:

Would it be a she or a he? (I’m figuring a he, because writing was a new thing, and males are usually the early adopters.) Would he be a king? Warrior? Poet? Merchant? Commoner? (I’m guessing not a commoner. To be mentioned in an ancient document, he’d need a reputation, tools, and maybe a scribe. He wouldn’t be poor.) …

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Flight.From my sketchbook.



Flight.

From my sketchbook.

age
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