Phoenix Weather Summary: 49 degrees
Visitors can enjoy another kind of darkness beyond the interior of Kartchner Caverns: the star-studded night skies.
The peak time for the shower is expected on the nights of Aug. 11 and 12, when the moon will be about three-quarters full.
Jupiter will appear brighter than usual tonight - the brightest all year.
There’s a handy website and app that makes a world of difference to astronomers researching light pollution.