When the moon is in the umbra, it is hidden from the sundra."
Don Machholz
"It is one of the most interesting features on the moon."-Don Machholz
"Look for the Seeliger effect, when the rings brighten for a few days."Don Machholz
Let’s hear it for the SOHO spacecraftAnd the amazing things it has photographed.With four thousand comets foundBy those on the groundWho scan images…DON MACHHOLZ...
