Japan Aerospace Exploration Agency’s (JAXA) newest (and sixth!) X-ray observatory is leaving for space on Friday to study black holes and galaxy clusters. It’s called Astro-H, and it’s blasting off with several scientific instruments in tow. These include ones that can detect X-ray sources 10 times fainter than what its predecessor, the Suzaku, could detect. The star of the show, though, is its Soft X-Ray Spectrometer (SXS), which is fitted with a “microcalorimeter.” The Goddard-built spectrometer (designed in cooperation with various Japanese institutions) will use that device to measure and distinguish X-ray colors. Read More via Engadget