Proposals-NASA, To Investigate rapid variations of the X-ray flux from solar flares using X-ray telescopes on the Apollo Earth orbital vehicle, 1966 November

Proposals-NASA, To Investigate rapid variations of the X-ray flux from solar flares using X-ray telescopes on the Apollo Earth orbital vehicle, 1966 November, - 04 02 GAN 1 Sub- 4 Box 4 Folder 99, Box: 4, Folder: 99. Gordon A. Newkirk, Jr. Papers, - 04-02-GAN. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/8190 Accessed January 17, 2026.