This was followed by a long series of popular treatises in rapid succession, amongst the more important of which are Light Science for Leisure Hours and The Sun (1871); The Orbs around Us and Essays on Astronomy (1872); The Expanse of Heaven, The Moon and The Borderland of Science (1873); The Univer
astronomy הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד