A Chaotic Mars-Earth Planetary Cycle May Have Contributed to One of Earth’s Major Warming Events

ENN
Jul 22, 2025, 2:25 pm100 pts
As Earth and Mars orbit the Sun, they pull on each other gravitationally, causing their paths to stretch and relax in a cycle that repeats roughly every 2.4 million years. These subtle orbital shifts change how close the planets approach the sun, which in turn can alter their long-term climate patterns.

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