Tonight’s Sky: July 2011 Highlights

Backyard stargazers get a monthly guide to the northern hemisphere’s skywatching events with “Tonight’s Sky.” In July, Scorpius skitters across the night, the Delta Aquarid meteor shower graces the month’s end, and star cluster M22 is visible to the naked eye.

“Tonight’s Sky” is produced by, online home of the Hubble Space Telescope. This is a recurring show, and you can find more episodes — and other astronomy videos — at

Visit Tonight’s Sky on HubbleSite.