Hubble image of Pluto and its four known moons. NASA, ESA, and M. Showalter (SETI Institute)

NASA’s New Horizons spacecraft is currently speeding through the outer solar system toward its July 2015 date with Pluto, when it will take a good close look at the dwarf planet’s mysterious surface, atmosphere, moons, and… rings?

Less than three-quarters the size of our moon, Pluto nevertheless has no shortage of fascinating features. It has a curiously mottled coloration that seems to change with its seasons, an atmosphere that expands and falls back onto its surface, a system of four moons in orbit around it — the most recent of which, currently called “P4″, was announced just last summer — and, according to Planetary Science Institute senior scientist Henry Throop, possibly even a system of rings.

Hey, at this point… why not?

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