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The luminous heart of NGC 6814 is a highly variable source of X-ray radiation
Astonishing geology and the potential to host the conditions for simple life make Jupiter's moon Europa a fascinating destination for future exploration
where one can see deeper
500 light-years away in the southern constellation Carina
Sun Prominence II Panorama The luminous heart of NGCAn extensive erupting prominence taken on 15 May, 2001 Prominences are huge clouds of relatively cool dense plasma suspended in the Sun's hot, thin corona. At times, they can erupt, escaping the Sun's atmosphere. Emission in this spectral line of EIT 304 shows the upper chromosphere at a temperature of about 60,000 degrees K. The hottest areas appear almost white, while the darker red areas indicate cooler temperatures.
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