From Sixty Symbols.

The XRISM X-Ray telescope is doing some good science – despite a "lens cap" being stuck in place. More links and info below ↓ ↓ ↓

This video features Mike Merrifield, emeritus professor at the University of Nottingham – https://about.me/michael.merrifield

XRISM (NASA) – https://heasarc.gsfc.nasa.gov/docs/xrism/
XRISM (JAXA) – https://www.xrism.jaxa.jp/en/

A paper about the stuck ‘lens cap’ – https://arxiv.org/pdf/2104.07241

More videos with Professor Merrifield – https://bit.ly/Merrifield_Playlist

Brady’s Telescope Tours – https://www.youtube.com/playlist?list=PLFDDC58C2516AE284

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This project features scientists from The University of Nottingham
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