Der Triumph der Relativitaetstheorie: Bestaetigung der ART

Der Triumph der Relativitaetstheorie: Bestaetigung der ART

Photographing Black Holes
Photograph by Chandra Deep Field South, 2003

Black holes are not invisible: The matter that collapses into them emits high-energy radiation such as X-rays. Such radiation can be measured with X-ray satellites like Chandra. The wall diagram shows a region of the sky in which such measurements are performed, Chandra Deep Field South – but photographed here in visible light at the European Southern Observatory in La Silla in Chile.

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