<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><a href="https://www.newscientist.com/article/dn28348-icy-plains-and-snakeskin-terrain-among-plutos-lingering-puzzles/">https://www.newscientist.com/article/dn28348-icy-plains-and-snakeskin-terrain-among-plutos-lingering-puzzles/</a><br><br>I gather someone's already done calculations on the resonance thing with Neptune -- and that's not enough to do the job.<br><br><div style="line-height: normal;"><font><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Regards,</span></font></div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);"><br></span></div><div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Dan</span></div><div style="line-height: normal;"><span style="background-color: rgba(255, 255, 255, 0);"> Sample my Kindle books via:</span></div><div style="line-height: normal;"><a href="http://www.amazon.com/Dan-Ust/e/B00J6HPX8M/" target="_blank" style="background-color: rgba(255, 255, 255, 0);"><font color="#000000">http://www.amazon.com/Dan-Ust/e/B00J6HPX8M/</font></a></div></div></div></body></html>