Atmospheric (AT) and Optics Picture of the Day have merged into AT Optics Highlights [siteorigin_widget… Read MoreOptics Picture of the Day (OPOD)
Dr. John A. Adam has been Professor of Mathematics at Old Dominion University since 1984.… Read MoreBrief Bio
EPOD is a service of Universities Space Research Association sponsored by NASA Goddard. Selected photographs… Read MoreEarth Science Picture of the Day (EPOD)