Despite Mercury being about 39% as far from the sun ... Dominating the bottom left is the massive Caloris basin, spanning 1,500 km, surrounded by radiating troughs from its ancient impact.

The Caloris Basin, created by a massive ancient collision, is one of the defining geological features of Mercury. The European-Japanese BepiColombo spacecraft, which has been studying Mercury ...

Smaller, new craters have marked the interior. Mercury’s largest impact crater, the Caloris basin, appears in the lower left area of the planet. BepiColombo caught sight of some younger surface ...

This model used data from the “Mercury Observatory” on the distribution and accumulation of the metal in the four basins of the Tapajós River (Pará, Mato Grosso, and Amazonas); the Xingu ...