Many skywatchers go through their entire lives without ever seeing the elusive planet of Mercury. Thursday morning, Aug. 16, is one of the rare opportunities when you can catch a glimpse of it.
NBCNews.com: Top NBCNews headlines, NBC News
Wed, 08/15/2012 - 5:20pm
Many skywatchers go through their entire lives without ever seeing the elusive planet of Mercury. Thursday morning, Aug. 16, is one of the rare opportunities when you can catch a glimpse of it.