NASA | Thermonuclear Art – The Sun In Ultra-HD (4K)

Watch for the first time in 4K HD: It’s always shining, always ablaze with light and energy that drive weather, biology and more. In addition to keeping life alive on Earth, the sun also sends out a constant flow of particles called the solar wind, and it occasionally erupts with giant clouds of solar material, called coronal mass ejections, or explosions of X-rays called solar flares.


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