X-ray

10.02.15
The dark side of Rosetta's comet is icier than expected
10.02.15

The dark side of Rosetta's comet is icier than expected

What lies just beneath the surface of the comet? Um, just ice, actually.

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07.10.15
NASA satellite shows black hole 'bulls-eye' eruption
07.10.15

NASA satellite shows black hole 'bulls-eye' eruption

NASA said its Swift satellite has imaged some of "the best dust-scattered X-ray ring images ever s...

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