View Phobos's rotation from the assembled still photographs captured by the Mars Express orbiter
Video of Phobos's rotation as assembled from still photographs taken by the European Space Agency's Mars Express orbiter.
Mars Express, ESA
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Encyclopædia Britannica, Inc.This myth is based on a web of lies.
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© MinuteEarth (A Britannica Publishing Partner)Trees have to cope with extreme temperatures, water availability, and other seasonal changes.
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Encyclopædia Britannica, Inc.Scientists analyzed DNA from the stomach of a 14,400-year-old wolf.Media Editors: John P. Rafferty , Lee Goldstein
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JPL/NASALearn how long a year is on Mars.
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© MinutePhysics (A Britannica Publishing Partner)Learn about the comparative size of various solar system objects.
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© Open University (A Britannica Publishing Partner)An overview of Phobos and Deimos, the moons of Mars.
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NASA/JPL-Caltech/Univ. of ArizonaWarm-season flows on a slope in Newton Crater on Mars, showing what might be evidence of salty liquid water active on the planet's surface. From photographs taken by the Mars Reconnaissance Orbiter.
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Japan to launch spacecraft on a mission to get samples from a Martian moon
• Oct. 18, 2026, 2:44 AM ET (AP)