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Coronal Rain on the Sun

Today a Canadian friend sent me the link to a very impressive NASA-video / Goddard Space Flight Center, of the Astronomy Pictures of the Day. It is about a coronal hot plasma rain on the sun. The description says:

“Does it rain on the Sun? Yes, although what falls is not water but extremely hot plasma. An example occurred in mid-July 2012 after an eruption on the Sun that produced both a Coronal Mass Ejection and a moderate solar flare. What was more unusual, however, was what happened next. Plasma in the nearby solar corona was imaged cooling and falling back, a phenomenon known as coronal rain. Because they are electrically charged, electrons, protons, and ions in the rain were gracefully channelled along existing magnetic loops near the Sun’s surface, making the scene appear as a surreal three-dimensional sourceless waterfall. The resulting surprisingly-serene spectacle is shown in ultraviolet light and highlights matter glowing at a temperature of about 50,000 Kelvin. Each second in the above time lapse video takes about 6 minutes in real time, so that the entire coronal rain sequence lasted about 10 hours.”

Update, 2 July 2013: Besides beautiful images from the cosmos, there seem to be major energy shifts on many of the planets of our solar system, not only on earth. But on earth there are as well a number of recent changes. Have a look at this interesting video by “SuspiciousObserver”, thanks to my Canadian friend.

Coronal_Rain
A screen-print from the video

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