Samatha (PÄli), (Sanskrit: à¤¶à¤®à¤¥, Åamatha[note 1]) is the Buddhist practice (bhÄvanÄ) of the calming of the mind (citta) and its 'formations' (saá¹khÄra). This is done by practicing single-pointed meditation most commonly through mindfulness of breathing. Samatha is common to many Buddhist traditions.
Convert speed of light to kilometers per second. You are currently converting speed units from speed of light to kilometers per second. 1 c = 299792.458 kps. speed of light. kilometers per second.
In metric terms, the speed of light is a tad less than 300,000 km/sec. 1 light year is approximately 5.9 trillion miles, 20.5 light years would therefore be 20.5 times 5.9 trillion miles or about 120 trillion miles.