Angular Separation

Some articles on angular, angular separation:

Gravitational Microlensing - Mathematics
... radius, also called the Einstein angle, is the angular radius of the Einstein ring in the event of perfect alignment ... By comparison, ideal Earth-based observations have angular resolution around 0.4 arcseconds, 400 times greater ... event, by convention the event is said to last while the angular separation between the source and lens is less than ...

Famous quotes containing the word separation:

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