In 1650 Mizar was the first double one of these discovered; today we know it's actually a quadruple
[DOC] [TLE] Watching the World Wake Up: AstroWeek Part 2: Three Cool Things ... [PAR] Oct 13, 2009 ... We already know the deal with the North Star and Sirius; now let's go back ... First 
Thing- It's Really A Group.