Beauty Surrounds Us.
Beauty Surrounds Us.
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My name is Denali. Santa Cruz, California is my hometown. Feel free to ask questions.
"Life is full of beauty. Notice it. Notice the bumble bee, the small child, and the smiling faces.
Smell the rain, and feel the wind. Live your life to the fullest potential, and fight for your dreams."
geologise: Ant Nebula: Fast Winds From a Dying Star (NASA, Chandra, 2006) (by NASA’s Marshall Space Flight Center) This beauty is a close-up from Chandra in 2006, showing the Ant Nebula. You can see the whole panel and fast facts here: chandra.harvard.edu/photo/2006/pne/ Caption (May, 2006): Composite image shows part of the unfolding drama of the last stages of the evolution of sun-like stars. Dynamic elongated clouds envelop bubbles of multimillion degree gas produced by high-velocity winds from dying stars. In these images, Chandra’s X-ray data are shown in blue, while green and red are optical and infrared data from Hubble. Planetary nebulas — so called because some of them resemble a planet when viewed through a small telescope — are produced in the late stages of a sun-like star’s life. After several billion years of stable existence (the sun is 4.5 billion years old and will not enter this phase for about 5 billion more years) a normal star will expand enormously to become a bloated red giant. Over a period of a few hundred thousand years, much of the star’s mass is expelled at a relatively slow speed of about 50,000 miles per hour. This mass loss creates a more or less spherical cloud around the star and eventually uncovers the star’s blazing hot core. Intense ultraviolet radiation from the core heats the circumstellar gas to ten thousand degrees, and the velocity of the gas flowing away from the star jumps to about a million miles per hour. Image credit:X-ray: NASA/CXC/RIT/J.Kastner et al.; Optical/IR: BD +30 & Hen 3: NASA/STScI/Univ. MD/J.P.Harrington; NGC 7027: NASA/STScI/Caltech/J.Westphal & W.Latter; Mz 3: NASA/STScI/Univ. Washington/B.Balick More about Chandra:www.nasa.gov/chandra


Via: geologise
Source: http://geologise.tumblr.com/post/18237757278/ant-nebula-fast-winds-from-a-dying-star-nasa





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