For more than a decade, Vesta has sat in a scientific gray zone: too big and geologically complex to be an ordinary asteroid, yet never quite elevated to the status of a true planet.
Its basalt-covered surface hinted at a molten past, and early…
For more than a decade, Vesta has sat in a scientific gray zone: too big and geologically complex to be an ordinary asteroid, yet never quite elevated to the status of a true planet.
Its basalt-covered surface hinted at a molten past, and early…