Radiant

By admin_wla | Tue, 4 Feb 2014 - 12:13

1. In optics, the point or object from which light proceeds. 2. In geometry, a straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve. 3. In astronomy, the point in the heavens from which a shower of meteors seems to proceed. Source: NASA (http://earthobservatory.nasa.gov/Glossary)