Candela of a single point light source of intensity "I", at a distance "r" and normally incident, this reduces to Candela The candela ( or ; symbol: cd) is the base unit of luminous intensity in the International System of Units (SI); that is, luminous power per unit solid angle emitted by a point light source in a particular direction. Luminous intensity is analogous to radiant intensity, but instead of simply adding up the contributions of every wavelength of light in the source's spectrum, the contribution of each wavelength is weighted by the standard luminosity function (a model of the sensitivity
Estrella Cabeza Candela May 2013. Later that summer, Cabeza Candela played in her first main draw of a Grand Slam at Wimbledon. She lost in the first round to Caroline Wozniacki 6–0, 6–2. In early July, Cabeza Candela reached her farthest result in a WTA tournament by reaching the semifinals of Internazionali Femminili di Palermo losing to the Italian, Roberta Vinci, in three sets. Estrella Cabeza Candela Estrella Cabeza Candela (; born 20 February 1987) is a Spanish professional tennis player. Cabeza Candela has won 11 singles and 13 doubles titles on the ITF circuit in her career. On 13 May 2013, she