Description. Alprazolam (Xanax) is a benzodiazepine used to treat anxiety and panic disorder. Benzodiazepines are used to relieve anxiety, nervousness, or tension. Benzodiazepines should not be used for anxiety, nervousness, or tension caused by the stress of everyday life.
Binary Stars. Spica. Spica, Alpha Virginis, is the brightest star in the southern constellation Virgo and the 16th brightest star in the sky. It is a blue subgiant star located at a distance of 262 light years from Earth. Spica is really a close binary star system.
Brightest Stars in the Sky. There are a few stars that stand out prominently in the night sky but not quite as bright as the planets, except for Sirius, the Dog Star in the constellation of Canis Major, which shines at a magnitude of -1.42âbrighter than Mars but not quite as bright as Mercury.