No lunar eclipse in your locale? You can watch the moon darken online

Looking for a darkening moon? Thursday's partial lunar eclipse will be particularly subtle, and it won't be visible at all from North America -- but you can still catch the show, such as it is, on the Web.Lunar eclipses occur when Earth's shadow blots out part of the full moon's disk. When the shadow covers the whole disk, the moon takes on an eerie reddish glow. The effect is much less pronounced ...