Artist Concept of DeeDee (IMAGE)

National Radio Astronomy Observatory

Artist Concept of DeeDee

Caption

Artist concept of the planetary body 2014 UZ224, more informally known as DeeDee. ALMA was able to observe the faint millimeter-wavelength "glow" emitted by the object, confirming it is roughly 635 kilometers across. At this size, DeeDee should have enough mass to be spherical, the criteria necessary for astronomers to consider it a dwarf planet, though it has yet to receive that official designation.

Credit

Alexandra Angelich (NRAO/AUI/NSF)

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