Hubble's view of Makemake. Bright-white Pluto is at the center of the image. An arrow points to a small white dot just above the planet.

Hubble Images Pluto’s Moon, Makemake.

Only about 100 miles in diameter, the tiny dot above the dwarf planet Makemake seen in this Hubble image is its orbiting moon, nicknamed MK 2.

Credits: NASA, ESA, and A. Parker and M. Buie (SwRI)