~ Frontpage Google Knol ~
The Sky Before The Telescope
The Sky Before the Telescopeby Petr Frish
- Diurnal motion - longitude and time of the day
- Time and the calendar
- Navigation and the exploration of the globe
- Annual parallax - latitude and the seasons
- The analemma and the seasons
- Two views of a system - two frames of reference
- Wandering stars (planets, sun and moon)
- Additional reading - biographies
- Planetaria
Listed on the frontpage on : 2008-10-01
![[Valid RSS]](http://www.ontheknol.com/images/valid-rss.png "Validate my RSS feed")
