Mercury makes rare move across the sun

CAPE CANAVERAL, Fla. (AP) — Mercury has begun a relatively rare move across the sun.
The solar-planetary ballet got underway just after 7 a.m. on the east coast with the smallest planet appearing as a tiny black dot on the face of the sun. The transit will last for a total of about 7½ hours. The last time it happened was 2006. It will happen again three years from now, but then not until 2032. NASA says the event occurs only about 13 times a century.
The entirety of Mercury’s