- Existence (Wikipedia)
Existence is the ability of an entity to interact with reality. In philosophy, it refers to the ontological property of being.
- Gamma Persei (stars.astro.illinois.edu)
GAMMA PER (Gamma Persei). The naming of stars at times seems to have little to do with their brightnesses. All the first magnitude stars, and most of the second magnitude visible from classical lands, have names (an outstanding exception being Gamma Cassiopeiae), but from there on the naming is erratic.
- Gamma Persei (Wikipedia)
Gamma Persei (Gamma Per, γ Persei, γ Per) is a binary star system in the constellation Perseus. The combined apparent visual magnitude of the pair is +2.9, making it the fourth-brightest member of the constellation. The distance to this system is of roughly 221 light-years (68 parsecs) with a 1% margin of error. About 4° to the north of Gamma Persei is the radiance point for the annual Perseid meteor shower.