NASA releases an even closer look at Pluto's heart
 

Now that you're better acquainted with Pluto's mountains and ice fields, it's time to examine its heart. We're talking about the dwarf planet's heart-shaped region called Tombaugh Regio, of course, which is prominently displayed in many of its most f...

http://www.engadget.com/2015/12/12/n...-heart-region/