The ancient Greek astronomers devised ingenious methods for measuring the size and distances of the Earth, Moon and Sun. The concepts were beautifully simple and although in most cases could only yield approximate results, they have the advantage that they can be understood by anyone with a basic mathematical background. The emergence of…

This paper suggests possible futures for astronomy activities in a post-COVID environment. A corpus of video recordings of astronomy education sessions held in different settings allowed the authors to analyse how sessions are achieved, with inclusive focus on the astronomers, the public attending sessions, and people looking through telescopes.…

This year marks 38 years since any part of the continental United States was darkened by the Moon's umbral shadow. During this "eclipse drought," no U.S. residents except those on Hawaii's Big Island in 1991 have had the opportunity to observe totality without traveling abroad. The 2017 Total Solar Eclipse (TSE2017, August 21, 2017) is…