06 setembro 2017

The Flash Spectrum of the Sun


In clear Madras, Oregon skies, this colorful eclipse composite captured the elusive chromospheric or flash spectrum of the Sun. Only three exposures, made on August 21 with telephoto lens and diffraction grating, are aligned in the frame. Directly imaged at the far left, the Sun's diamond ring-like appearance at the beginning and end of totality brackets a silhouette of the lunar disk at maximum eclipse. Spread by the diffraction grating into the spectrum of colors toward the right, the Sun's photospheric spectrum traces the two continuous streaks. They correspond to the diamond ring glimpses of the Sun's normally overwhelming disk. But individual eclipse images also appear at each wavelength of light emitted by atoms along the thin, fleeting arcs of the solar chromosphere. The brightest images, or strongest chromospheric emission, are due to Hydrogen atoms. Red hydrogen alpha emission is at the far right with blue and purple hydrogen series emission to the left. In between, the brightest yellow emission is caused by atoms of Helium, an element only first discovered in the flash spectrum of the Sun.

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SIMPATIA PARA REALIZAR COISAS IMPORTANTES

SIMPATIA PARA REALIZAR COISAS IMPORTANTES Esta simpatia não deve ser feita por pessoas doentes. As pessoas têm sonhos, mas às vezes nem todos podem ser realizados. Muitos sonhamem realizar seus negócios e, quando tudo parece estar caminhando bem, percebe que algo está atrapalhando ou até mesmo que a sorte se repente foi embora.Os Seres que compõem as Hostes Celestiais trazem muita sorte para

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How To Start A War On Accident

Did you know that the Thirty Years’ War – one of the longest and most destructive wars in Europe, a war so bad that Europe never fought again over religion – was started by three men being thrown out of a window?

The men were the Catholic regents of the Catholic emperor of Bohemia. Under the rules governing the Holy Roman Empire which Bohemia was part of, individual princes could choose what religion their subjects followed. Religious freedom, yay! As you may have guessed the Bohemians were ordered to be Catholic. This did not sit well with Protestant nobles in Prague. When the Bohemian authorities started cracking down on their Protestant churches, they called an assembly at Prague Castle, and demanded the four regents answer for their actions.

After some talking, two regents were let go. But two were held back. After a nice little speech about their tyranny, both men were thrown out the third-story window. Then their secretary, for good measure. It goes down in history as “The Defenestration of Prague.”

All three were badly hurt, but survived. “A miracle!” claimed the Catholics, “They fell in a dung-heap!” claimed the Protestants. Within days, troops were being mobilized, and within months Bohemia was ablaze. Most of central Europe would catch fire. And millions would die because of the actions of a handful of noblemen in Prague.

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Prospecting from Orbit


The combination of morphological and topographic information from stereo images from NASA's Mars Reconnaissance Orbiter.

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Naughty Newton

Isaac Newton’s first public position was Warden of the Royal Mint, which he was appointed to in spring 1696. He moved to London where he lived with his niece, Catherine Barton, who happened to be the mistress of high-ranking Lord Halifax. He shamelessly used his niece’s extramarital activities to get ahead. Thanks to his well-connected niece, Newton was promoted in just three years to head of the whole operation, Master of the Mint, and he held the office until his death.

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Expedition 53 Qualification Exams


Expedition 53 crew members: Joe Acaba of NASA, left, Alexander Misurkin of Roscosmos, center, and Mark Vande Hei of NASA answer questions from the press outside the Soyuz simulator ahead of their Soyuz qualification exams, Thursday, Aug. 31, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia.

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Happy #ReadABookDay - Visit –>...



Happy #ReadABookDay - Visit –> http://ift.tt/1wXXj2E to check out a brilliant collection of fascinating psychology books.

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Simpatias para descobrir traição

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