2024-04-30 NASA

The square structure at the center of this image shows the 6-by-6-pixel microcalorimeter array at the heart of Resolve, an instrument on XRISM (X-ray Imaging and Spectroscopy Mission). The array measures 0.2 inches (5 millimeters) on a side. The device produces a spectrum of X-ray sources between 400 and 12,000 electron volts — up to 5,000 times the energy of visible light — with unprecedented detail.
NASA/XRISM/Caroline Kilbourne
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