JAXA's XRISM satellite, launching later this month, will use its Resolve instrument to analyze X-ray light, offering unprecedented insights into the universe's most energetic objects. A new spacecraft called XRISM (X-ray Imaging and Spectroscopy Mission, pronounced “crism”) aims to pry apart high
The instrument reaches its operating temperature after a multistage mechanical cooling process inside a refrigerator-sized container of liquid helium.By collecting thousands or even millions of X-rays from a cosmic source, Resolve can measure high-resolution spectra of the object. Spectra are measurements of light’s intensity over a range of energies. Prisms spread visible light into its different energies, which we know better as the colors of the rainbow.
This image shows the detector in the Resolve instrument on XRISM. Credit: NASA/XRISM/Caroline Kilbourne Now astronomers use spectrometers, tuned to all kinds of light, to learn about cosmic objects’ physical states, motions, and compositions. Resolve will do spectroscopy for X-rays with energies ranging from 400 to 12,000 electron volts by measuring the energies of individual X-rays to form a spectrum.
Brian Williams, NASA’s XRISM project scientist stationed at Goddard, highlighted the mission’s unparalleled capabilities: “The spectra XRISM collects will be the most detailed we’ve ever seen for some of the phenomena we’ll observe. The mission will provide us with insights into some of the most difficult places to study, like the internal structures of
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