NASA | SDO: Year 5 incredibly detailed images of the whole sun 24 hours a day

Published on 11 Feb 2015

February 11, 2015 marks five years in space for NASA’s Solar Dynamics Observatory, which provides incredibly detailed images of the whole sun 24 hours a day. Capturing an image more than once per second, SDO has provided an unprecedentedly clear picture of how massive explosions on the sun grow and erupt ever since its launch on Feb. 11, 2010. The imagery is also captivating, allowing one to watch the constant ballet of solar material through the sun’s atmosphere, the corona.

In honor of SDO’s fifth anniversary, NASA has released a video showcasing highlights from the last five years of sun watching. Watch the movie to see giant clouds of solar material hurled out into space, the dance of giant loops hovering in the corona, and huge sunspots growing and shrinking on the sun’s surface.

The imagery is an example of the kind of data that SDO provides to scientists. By watching the sun in different wavelengths – and therefore different temperatures – scientists can watch how material courses through the corona, which holds clues to what causes eruptions on the sun, what heats the sun’s atmosphere up to 1,000 times hotter than its surface, and why the sun’s magnetic fields are constantly on the move.

Five years into its mission, SDO continues to send back tantalizing imagery to incite scientists’ curiosity. For example, in late 2014, SDO captured imagery of the largest sun spots seen since 1995 as well as a torrent of intense solar flares. Solar flares are bursts of light, energy and X-rays. They can occur by themselves or can be accompanied by what’s called a coronal mass ejection, or CME, in which a giant cloud of solar material erupts off the sun, achieves escape velocity and heads off into space. In this case, the sun produced only flares and no CMEs, which, while not unheard of, is somewhat unusual for flares of that size. Scientists are looking at that data now to see if they can determine what circumstances might have led to flares eruptions alone.

Goddard built, operates and manages the SDO spacecraft for NASA’s Science Mission Directorate in Washington, D.C. SDO is the first mission of NASA’s Living with a Star Program. The program’s goal is to develop the scientific understanding necessary to address those aspects of the sun-Earth system that directly affect our lives and society.

This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/goto?11742

Parels uit de gordel van Smaragd

Originally posted on Java Post:

Veel interesse was er niet voor, maar opeens brengen ze tonnen op. Oude schilderijen uit Nederlands-Indië blijken een onverwachte erfenis van het koloniaal verleden. Het Zeeuws Veilinghuis brengt ze onder de hamer.

Door Karolien Knols

En toen ging de Balinese danseres van Willem Dooyewaard, getaxeerd op 15- tot 20 duizend euro, weg voor een recordbedrag van 220 duizend euro. De vrouw die het had ingebracht bij het Zeeuws Veilinghuis kon het niet geloven: het olieverfschilderij dat van haar vader was geweest, dat ze vroeger zo beangstigend vond en dat jaren zonder lijst in een kast had gelegen – zo veel geld. Dat was nadat de veilingmeester een schilderij van de Belgische kunstenaar Adrien-Jean Le Mayeur de Merprès (1880-1958) had afgeslagen op 470 duizend euro. En een Willem Hofker (1902-1981) op 6 ton.

Willem Gerard Hofker: Bali, 1939. Willem Gerard Hofker: Bali, 1939.

Aan het einde van die middag, 11 december 2013, knalden de kurken aan…

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Low budget ondernemers zijn de economische helden van de laatste 10 jaar

Ik houd van ondernemers die winst weten te maken (wat nodig is natuurlijk) en tegelijkertijd hun klanten bedienen met goede producten voor een lage prijs, daarmee dragen ze enorm bij aan de economie en budgetten van mensen in positieve zin.Ikea, Aldi, Lidl ,Action en tal van gelijkwaardige budget bedrijven die tegelijkertijd aan veel mensen een job bieden. Dat zijn de mavericks van het heden in ondernemers land .

President George W. Bush: The 9/11 Interview

this was the start of the war on terror, for me it is clear that we are bag on war sins the declaration of war by Chamberlain to Germany more than 70 years ago and the invasion of the Netherlands May 1940 as it concerns my country at that time .
This time Europe and the USA dos have more friends who are standing by than back in 1940.

THE HORRORS OF BERGEN-BELSEN

THE HORRORS OF BERGEN-BELSEN

Filip Muller was a Sonderkommando in Auschwitz—a Jewish slave laborer who was kept alive because he helped take corpses from the gas chambers to the crematoria. One of the very few Sonderkommandos to survive the Holocaust, Muller later described the remarkable behavior of one group of Czech Jews who were being marched towards the gas chambers and were told what was about to happen:

“Their voices grew subdued and tense, their movements forced, their eyes stared as though they had been hypnotized… Suddenly a voice began to sing. Others joined in, and the sound swelled into a mighty choir. They sang first the Czechoslovak national anthem and then the Hebrew song ‘Hatikvah.’”

Enraged SS men tried to halt the singing by beating the Jews into submission, Muller wrote. “It was as if they regarded the singing as a last kind of protest which they were determined to stifle if they could.” But the SS was unable to stop them. “To be allowed to die together was the only comfort left to these people… And when they sang Hatikvah, now the national anthem of the state of Israel, they were glancing into the future, but it was a future which they would not be allowed to see. To me the bearing of my countrymen seemed an exemplary gesture of national honor and national pride which stirred my soul.”

Overwhelmed by feelings of remorse, Muller tried to join the group as they entered the gas chamber, but they pushed him back out. A woman implored him, “Your death won’t give us back our lives. That’s no way. You must get out of here alive, you must bear witness to our suffering and to the injustice done to us.”