Planetary process
Climate Evolution
How a planet's climate changes over billions of years — the runaway greenhouse that turned Venus into a furnace, the slow drying and cooling of Mars, and the feedbacks that have kept Earth habitable. Comparing the three is the key to understanding what makes a climate stable.
Worlds, layers & processes
Across comparative planetology
Knowledge connections
- Associated withVenus
- Associated withMars
- Associated withEarth
- Associated withThe Greenhouse Effect
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.