February 2009
Intermediate to advanced
192 pages
8h 28m
English
MAKER’S CALENDAROur favorite events from around the world.

100 Hours of Astronomy »
April 2–5, worldwide
100 Hours of Astronomy is a United Nationssponsored event consisting of a series of live webcasts and astronomical observing events. It coincides with the 400th anniversary of Galileo’s first astronomical observations with a telescope. 100hoursofastronomy.org
Levin Stargazers public star party, New Zealand.

Photograph ...