David S. Evans

The Great Moon Hoax IDavid S. Evans, University of Texas at AustinIN NOVEMBER, 1833, Sir John Herschel, accompanied by his family, set sail from Portsmouth, England, for the Cape of Good Hope. His purpose was to extend to the south the surveys of the northern sky made by his father and himself. He...

Are We Beginning To Understand T Tauri Stars?Martin Cohen, NASA-Ames Research CenterAstronomy changes rapidly in L response to new technology. In this era of satellites and large ground-based observatories it is no longer sufficient to be interested in a single spectral region or technique. The...