The recent finding suggests that Mars is geologically active with occurrences in the millions of years. There has been previous evidence of Mars' geologic activity. The Mars Global Surveyor (MGS) discovered magnetic stripes in the crust of Mars, especially in the Phaethontis and Eridania quadrangles.

Why is Mars no longer geologically active?

Question: (21 of 50) Why is Mars no longer geologically active? Due to its small size, Mars's interior has cooled to a solid state, O Mars's magnetosphere has almost disappeared. O Mars has a hot, molten interior, but its thick crust may be prohibiting any geological activity.

What planets are geologically active?

The geology of solar terrestrial planets mainly deals with the geological aspects of the four terrestrial planets of the Solar System – Mercury, Venus, Earth, and Mars – and one terrestrial dwarf planet: Ceres. Earth is the only terrestrial planet known to have an active hydrosphere.