These are little projects I’ve done which did not find their way into the Conceptual Astronomy Workbook.
Red Nights
Red Nights- a paper describing how amateur astronomy on Mars would be different than on Earth. A version of this was published in Sky and Telescope magazine.
Lat=Alt
A proof that one’s latitude equals the altitude of the North Celestial Pole
Rotating Mirror
A paper deriving the fact that a rotating liquid mirror will assume a parabolic shape suitable for a telescope.
Moon parallax
Moon parallax project--How two photos of the moon were used to tell the distance to the moon using parallax.
Geosynchronous Satellite
Parallax of Geosynchronous Satellites = How to determine the distance to geosynchronous satellites through observation.
Physics Plane
An easy-to-fold paper airplane used to advertise my physics classes.
Moon Calendar
A program I published in START! magazine in the 1980s about making a moon phase calendar.
