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planet

An actual image of the protoplanet Hygiea, taken using the SPHERE camera on the Very Large Telescope. Credit: ESO/P. Vernazza et al./MISTRAL algorithm (ONERA/CNRS)

New observations show the asteroid Hygiea is round!

By Phil Plait 3 years ago
jupiter_earth_scale.jpg

Redefining planets: An answer in search of a question

By Phil Plait 6 years ago

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