X-ray optics development at MSFC began in the early 1990s with the fabrication of optics to support NASA's Advanced X-ray Astrophysics Facility (AXAF-S) and then continued via the Constellation-X ...

And then AXAF (the Advanced X-Ray Astronomical Facility that subsequently was renamed Chandra) also had some thermal challenges, but waiting to Day 2 allowed us to have a more casual checkout and ...

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