Click to open image viewer. One of the instruments on the Apollo Telescope Mount attached to Skylab was a telescope designed to photograph the solar disk in x-ray light (wavelength 5 to 60 Angstroms).

When you have been an amateur astronomer as long as I have (the sky caught my interest in 1956), you have seen a lot of celestial history. I like to think of it as having lived during the most amazing ...