| a transient fiery streak in the sky produced by a meteoroid passing through the earth's atmosphere also called a shooting star or bolide |
| the boundary around a black hole on and within which no matter or radiation can escape |
| Virgo (vûr'gō) Pronunciation Key
A constellation in the region of the celestial equator near Leo and Libra. Virgo (the Virgin) contains the bright star Spica and is the sixth sign of the zodiac. |
| VIRGO variability of [solar] irradiance and gravity oscillations |