:::RSchlafly is right on all 3 points. In fact, they used to suppose that Mercury's resonance resulted in an 88-day rotational period, same as its "year". I was in 4th grade when I happened to find out that Mercury's rotational period was actually 58.6 days, due to its 3:2 resononce. That is, it rotates 3 times for every 2 revolutions around the sun. --[[User:Ed Poor|Ed Poor]] 17:10, 19 March 2007 (EDT) | :::RSchlafly is right on all 3 points. In fact, they used to suppose that Mercury's resonance resulted in an 88-day rotational period, same as its "year". I was in 4th grade when I happened to find out that Mercury's rotational period was actually 58.6 days, due to its 3:2 resononce. That is, it rotates 3 times for every 2 revolutions around the sun. --[[User:Ed Poor|Ed Poor]] 17:10, 19 March 2007 (EDT) |