Final lunar eclipse of 2010 set for early morning of December 21

Skygazers hoping to catch the last lunar eclipse of 2010 on Tuesday morning best be ready to stay up late (or wake up very early) to watch the full moon as it goes through a range of dramatic color changes.The December 21 lunar eclipse is expected to last about three-and-a-half hours from its start as a partial eclipse at 1:33 a.m. ET to its finish at 5:01 a.m. ET, according to NASA. The previous