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S. John
Attended University of Bonn
Lives in Spain
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S. John

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Oh. If you are a history buff...
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merci pour le lien.
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Researchers were greatly surprised to discover 3-million-year-old landscape beneath Greenland Ice Sheet! The finding provides strong evidence that the Greenland Ice Sheet has persisted much longer than previously known, enduring through many past periods of global warming.

The new discovery indicates that even during the warmest periods since the ice sheet formed, the center of Greenland remained stable. "It’s likely that it did not fully melt at any time," said University of Vermont geologist and lead author Paul Bierman. This allowed a tundra landscape to be locked away, unmodified, under ice through millions of years of global warming and cooling.

Image Credit: Joshua Brown, University of Vermont

#ice #green;and #nasa #science #climate #climatechange #greenlandicesheet

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Paolo Veronese died on this day in 1588. The Italian Renaissance artist is most famous for large history paintings of both religious and mythological subjects. With Titian, who was at least a generation older, and Tintoretto, ten years older, he was one of the "great trio that dominated Venetian painting of the cinquecento" or 16th-century late Renaissance. Veronese is known as a supreme colourist, and after an early period with Mannerist influence turned to a more naturalist style influenced by Titian.

Explore hundreds of Veronese’s work through Europeana: http://bit.ly/Veronese-Europeana 

Image:  “The Holy family with the little John” 1550 – 1575, Paolo Veronese. Rijksmuseum (Public Domain) http://bit.ly/PeS6RE 
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Red Moon, Green Beam
Image Credit & Copyright: Dan Long (Apache Point Observatory) - Courtesy: Tom Murphy (UC San Diego)
http://apod.nasa.gov/apod/ap140418.html

This is not a scene from a sci-fi special effects movie. The green beam of light and red lunar disk are real enough, captured in the early morning hours of April 15. Of course, the reddened lunar disk is easy to explain as the image was taken during this week's total lunar eclipse. Immersed in shadow, the eclipsed Moon reflects the dimmed reddened light of all the sunsets and sunrises filtering around the edges of planet Earth, seen in silhouette from a lunar perspective. But the green beam of light really is a laser. Shot from the 3.5-meter telescope at Apache Point Observatory in southern New Mexico, the beam's path is revealed as Earth's atmosphere scatters some of the intense laser light. The laser's target is the Apollo 15 retroreflector, left on the Moon by the astronauts in 1971. By determining the light travel time delay of the returning laser pulse, the experimental team from UC San Diego is able to measure the Earth-Moon distance to millimeter precision and provide a test of General Relativity, Einstein's theory of gravity. Conducting the lunar laser ranging experiment during a total eclipse uses the Earth like a cosmic light switch. With direct sunlight blocked, the reflector's performance is improved over performance when illuminated by sunlight during a normal Full Moon, an effect known as the real Full Moon Curse.
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Sen Space Picture Of the Day: a dramatic transit of the ISS across the face of the Moon caught by two different cameras on April 8th, 2014. Image credit: Pete Lawrence for Sen

http://www.sen.com/images/pete-lawrence
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#onthisday   in 1397, Geoffrey Chaucer told his Canterbury Tales for the first time at the court of Richard II at Westminster Great Hall.

“Whan that Aprill with his shoures soote / The droghte of March hath perced to the roote, / And bathed every veyne in swych licour / Of which vertu engendred is the flour; / Whan Zephirus eek with his sweete breeth / Inspired hath in every holt and heath / The tendre croppes, and the yonge sonne / Hath in the Ram his halve cours yronne, / And smale foweles maken melodye, / That slepen al the nyght with open ye / (So priketh hem nature in hir corages); /Thanne longen folk to goon on pilgrimages. (Geoffrey Chaucer, “The Canterbury Tales”)

It was a very subtle revolution when Geoffrey Chaucer, a staunch supporter of "Old John of Gaunt, time-honoured Lancaster" and recently back in royal favour, read for the first time parts of his Canterbury Tales at the Plantagenet's court. Not in Norman French or scholarly Latin but in English. Three years later, Richard would tell a different tale, of the death of kings; How some have been deposed; some slain in war, Some haunted by the ghosts they have deposed; Some poisoned by their wives: some sleeping killed; All murdered, as he himself would be when his nephew and John of Gaunt’s son Henry of Bolingbroke took the throne as Henry IV. But on this day, the tales turned on a travelling party on a pilgrimage to the shrine of St Thomas á Becket in Canterbury, telling a story or two for a free meal at Tabard Inn in Southwark.

Byron once found Chaucer to be obscene and contemptible, owing his fame only to his venerable age, but, even if he was only part of a trend of writing in vernacular English that started with Wycliffe’s Bible translation some ten years before, he gave voice to others characters than the nobility and the clergy, a process of democratisation in the choice of fictional characters, along the lines of Boccaccio’s “Il Decamerone”, with the same fair amount of church criticism on the eve of the Reformation. The 29 characters of the tales and the narrator tell stories of utmost cultural relevancy in the days, when the Middle Ages ended in Europe, besides nagging questions about religion they tell of love, betrayal and greed and most haven’t lost their actuality in more than 600 years.

Depicted below is an imagination of the pilgrims’ progress through the English countryside by the illustrator Paul Hardy (1862 – 1942), a regular contributor to the “Strand Magazine”, from 1903. Canterbury City Council Museums and Galleries.

And more on:

http://en.wikipedia.org/wiki/Canterbury_Tales

#history #literature #europeanhistory #europeanliterature #medievalhistory  
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S. John

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5 Things to Know About Planet Kepler-186f, 'Earth's Cousin'. http://buff.ly/1qUFr4t
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"In fact, back in the early days of winged, heavier-than-air flight, pilots used to carry sextants with them, and actually navigated by the stars, the same as seafarers did in the days before GPS! [...]

If it weren’t for the lights of the plane itself, you would, in fact, be able to have some of the best skies available to humans. Astronomers know this fact very well, in fact, and we actually have an airplane-mounted telescope that NASA flies: SOFIA!"

Finally, the answer to the world's most pressing question: why can't you see stars out of an airplane window at night?
From 30,000 feet above sea level, why aren’t the stars visible from an airplane?
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Monster Storm System on Saturn | NASA Cassini Mission
The leading western edge of a massive storm in Saturn's atmosphere (eight times the surface area of Earth) can be clearly seen in this image. Pictures from Cassini's cameras show the storm wrapping around the entire planet covering approximately 1.5 billion square miles (4 billion square kilometers). At its most intense, the storm generated more than 10 lightning flashes per second and it featured vertical wind speeds exceeding 300 mph (500 kilometers per hour).

Monster storms rip across the northern hemisphere of Saturn once every 30 years or so, or roughly once per Saturn year. This is an RGB composite of images taken by the Cassini spacecraft on February 25, 2011 from a distance of 2.1 million km. 

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. JPL manages the mission for NASA's Science Mission Directorate, Washington. The California Institute of Technology in Pasadena manages JPL for NASA. The VIMS team is based at the University of Arizona in Tucson. 
 
Image Credit: NASA/JPL/Space Sciences Institute/Mike Malaska

Thank you, Mike!

+NASA Jet Propulsion Laboratory 
+Mike Malaska 
+The University of Arizona 

#NASA #Space #Saturn #Storm #Weather #Atmosphere #Lightning #Planet #Cassini #Robotic #Spacecraft #JPL #Astronomy #Rings
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Great video by Jonathan Bird about how we train for spacewalks on the +International Space Station 
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Have them in circles
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Introduction

"To laugh often and much;
to win the respect of intelligent people and the affection of children;
to earn the appreciation of honest critics and
to endure the betrayal of false friends.
To appreciate beauty;
to find the best in others;
to leave the world a bit better whether by a healthy child, a garden patch, or a redeemed social condition;
to know that even one life has breathed easier because you have lived.
This is to have succeeded."
R. W. Emerson

                     

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  • University of Bonn
S. John's +1's are the things they like, agree with, or want to recommend.
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Reflection Picture -- Bird Photo -- National Geographic Photo of the Day
photography.nationalgeographic.com

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Four-million-year-old skull of relative of snow leopard fleshes out fossil record of big cats and challenges suppositions about how and wher

Lilly Martin Spencer - Conversation Piece [c.1851-52]
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Lilly Martin Spencer (Exeter, November 26, 1822 - Highland, New York, May 22, 1902) was one of the most popular and widely reproduced Americ

The 30 most popular TED talks as suggested by Google Plus users
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A great collection of the most popular and inspirational TED talks suggested by Google plus users.

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The September equinox signals the beginning of autumn in the Northern Hemisphere and spring in the Southern Hemisphere.

Astronomer royal calls for 'Plan B' to prevent runaway climate change
www.theguardian.com

Lord Rees appeals for research into geoengineering technologies in case efforts to curb carbon emissions fail