Retrograde mean motion resonances occur when orbiting bodies, moving in directions opposite to the dominant sense of motion, experience periodic gravitational interactions that can stabilise their ...

Perihelion, the point in a planet’s orbit where it is closest to the Sun, is a fascinating phenomenon that shapes much of our understanding of planetary motion. While Earth’s proximity to the Sun ...

It’s always fun when an afternoon hike shows you the insignificance of our tiny planet. That happened recently when I journeyed to Heiligenmoschel, Germany, for a planet walk, a special type of ...