<img src="https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2026/03/counting_craters_in_mars_s_ancient_highlands/27138237-1-eng-GB/Counting_craters_in_Mars_s_ancient_highlands_card_full.jpg" alt="Counting craters in Mars’s ancient highlands">
<p>Week in images: 02-06 March 2026</p>
<p>Discover our week through the lens</p>
Week in images: 02-06 March 2026
Discover our week through the lens
Planetary geology is the study of the geology of celestial bodies, including planets, moons, asteroids, and comets. It involves understanding the processes that shape these bodies, such as volcanic activity, erosion, and sedimentation, and how they relate to the history of the solar system.
Impact cratering is a geological process that occurs when a high-velocity object, such as an asteroid or comet, collides with a planetary surface, creating a crater. This process provides valuable information about the history and age of planetary bodies, as the density and size of craters can indicate the surface's geological activity over time.