Pluto isn’t a planet — but it gives us clues for how the solar system formed from NPR Regina G. Barber

Short Wave logo. The image combines blue, red and infrared images taken by the Ralph/Multispectral Visual Imaging Camera.’/>

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

(Image credit: NASA/JHUAPL/SwRI)

Read More