Astronomical and Space Science Society

A3S of RRC is one of the leading societies in the college as well as in its field. It dominates from other schools^{[citation needed]} considerably because of its wide knowledge in the field of astronomy and its widely known activities. With this society the main target is to develop astronomical knowledge among students, regardless of what society or what school they are in. The club tries to promote astronomy in innovative ways and provide students a more practical approach to the subject of astronomy.

Astro Night 2009 – The Imperial Odyssey 2009

The Astronomical Society successfully completed the annual quiz competition and the observation camp which was held 9 October 2009. Hon. Tikiri Kobbakaduwa was the chief guest.