Space
Pluto may be wearing a dark belt of moon dust
Sprinklings of dust from four of its moons could be raining down on Pluto, which may explain why the frigid world's equator is darker than its poles
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Sprinklings of dust from four of its moons could be raining down on Pluto, which may explain why the frigid world's equator is darker than its poles
Designed to study distant galaxies, the world's largest digital camera is also uncovering faint, distant worlds on the outskirts of the solar system