An analysis suggests that craters degrade faster on Mercury than the Moon, raising questions about landscape evolution on different planetary bodies.
Planetary and lunar geochronology
Posted inResearch Spotlights
How Quickly Is Mercury’s Surface Evolving?
New measurements of impact craters on Mercury’s smooth plains suggest that the topography of the solar system’s innermost planet is changing at twice the rate of landforms on the Moon.
Posted inScience Updates
The New Geologic Map of Mars: Guiding Research and Education
Currently, five spacecraft are investigating Mars, and a swarm of new missions will follow. Clues to where they should focus investigations can be gleaned from the planet’s new geologic map.