Tuesday evening brings a very rare planetary event to Virginia skywatchers. The planet Venus can be seen crossing the face of the sun. This event won't occur again until December 10, 2117, and then it won't be visible in Virginia. Most inferior conjunctions of Venus, those times when Venus passes between the Earth and the sun, occur when that planet passes just above or just below the sun.
This will certainly be the year's most famous sky event that can't be seen. It can't be seen because, without the proper filters, the sun should never be viewed directly. But it is a curious event nevertheless.
Such is our view from Earth...
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