From calculating the mass of the electron to measuring the distances to stars and galaxies, there are several methods and various units to do that. This topic includes a lot of intriguing information. It will be tackled, with examples, models and applications of these units.

Event timeline
1. Lecture, presented by Dr. Omar Fikry, Head of the Planetarium Section.
2. A short live Stars Show and Astronomy Contest. 
3. Observing session at the BA Plaza.

Date: Thursday, 30 October 2014, at 5:00 p.m. 

Location: the BA Planetarium.

Admission is free.
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