Simulation of transit of Haumea by its moon Namaka
Filed under pretty pictures, animation, trans-neptunian objects, dwarf planets beyond Neptune
The strangely-shaped Kuiper belt object Haumea has two known moons, Namaka and Hi'iaka. The inner one, Namaka, just happens to be orbiting Haumea in such a geometry that it -- and its shadow -- cross Haumea's disk as viewed from Earth.
Mike Brown / Darin Ragozzine
Original image data dated on or about June 28, 2010