The solar system may have a new smallest dwarf planet: Hygiea

New images reveal the wee world is round, a final criterion for dwarf planet status

High-resolution telescope images reveal that the asteroid Hygiea (pictured) may not be an asteroid at all, but instead a dwarf planet — and the smallest one yet.

ESO/P. Vernazza et al./MISTRAL algorithm (ONERA/CNRS)

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