Education services, namely, providing of training and teaching in the nature of classes, seminars, workshops and tele-teaching in the nature of providing on-line classes, seminars, workshops} in fields of astronomy and astrophysics; Publishing of encyclopedias, books, brochures, periodicals, and essays in the field of astronomy and astrophysics, in printed and digital form; Publication of films, illustrations and photographs in printed and digital form in the nature of providing a website fea...