Over the centuries our collective knowledge about the Sun and its direct connection to our planet has continued to grow. Visit this Website for new essays, and related images, each month related to the theme of how...

The transit of Venus across the disk of the sun is a rare astronomical event that has transfixed astronomers for centuries. June 8, 2004 marked the last occurrence of this event. Due to its extreme rarity (occurring...

This web page, created by David P. Stern, describes observations that show the earth is a sphere and the history of these observations. The round shape of the Earth may be inferred from the existence of a horizon at sea....

This guide provides resources (written and on the web) about the contributions of women to astronomy. It includes sections on over 30 specific women of the past and present, and also a section of general articles and web...