Home Tech News The Moon’s tiny twin is stalking Mars

The Moon’s tiny twin is stalking Mars

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Mars is accompanied by a pair of small moons — Phobos and Deimos — as well as four Trojan asteroids that follow the Red Planet in its trips around the Sun.

Trojan asteroids follow planets, including Mars, Earth, and Jupiter, placed 60 degrees ahead of or behind their worlds. This angle provides stable gravitational points in the orbit for the asteroids as they move around the Sun. Each orbit of two massive objects produces five places, known as Lagrange (or Lagrangian) points, where gravity of the two larger objects balances, keeping smaller bodies in a stable orbit around a central point.