X-ray Imaging and Spectroscopy Mission

active Mission

NASA is partnering with JAXA (Japanese Aerospace Exploration Agency) on the XRISM mission to study celestial objects that emit X-rays. The mission will investigate big cosmic questions like how the largest structures in the universe came to be, what happens to matter under extreme gravitational force, and how high-energy particle jets work.


Space telescope


Sept. 6, 2023



Launch site

Tanegashima, Japan

Latest JAXA News

XRISM updates from JAXA (Japanese Aerospace Exploration Agency).

Transition to nominal phase and release of early observation data

XRISM has completed its commissioning period as planned and has transitioned to the nominal phase.

First Light and Operational Update

JAXA released the first glimpses of X-ray observation data from XRISM's Xtend and Resolve instruments.

Completion of the sun acquisition control and deployment of the solar array paddles

Following launch, XRISM is operating normally.

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