RADIANT
Radiant
The radiant or apparent radiant of a meteor shower is the point in the sky, from which meteors appear to originate. The Perseids, for example, are meteors which appear to come from a point within the constellation of Perseus.The above text is a snippet from Wikipedia: Radiant (meteor shower)
and as such is available under the Creative Commons Attribution/Share-Alike License.
radiant
Noun
- A point source from which radiation is emitted.
 - The apparent origin, in the night sky, of a meteor shower.
 - A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.
 
Adjective
- Radiating light and/or heat.
- the radiant sun
 
 - Emitted as radiation.
 - Beaming with vivacity and happiness.
- a radiant face
 
 - Emitting or proceeding as if from a center.
 - Giving off rays; said of a bearing.
- the sun radiant; a crown radiant
 
 - Having a ray-like appearance, like the large marginal flowers of certain umbelliferous plants; said also of the cluster which has such marginal flowers.
 
The above text is a snippet from Wiktionary: radiant
and as such is available under the Creative Commons Attribution/Share-Alike License.