Astronomers spot possible new dwarf planet beyond Pluto
Scientists using a telescope in Chile have detected an icy body orbiting farther out than Pluto. The object could be added to the list of dwarf planets in the solar system.
Why it matters
The find shows that the outer reaches of the solar system still hold objects yet to be detected. It also underlines that the dwarf planet list grows as astronomical observation tools improve.
Background
Pluto is the best-known dwarf planet in the solar system and lies in a distant region of icy bodies orbiting the Sun beyond Neptune. Small bodies that orbit the Sun are classified as dwarf planets under internationally agreed scientific criteria.
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