Latest Stickney Stories
Phobos is the larger and closer of the two natural satellites of Mars. Despite decades of Martian exploration, we still know very little about Phobos.
Scientists now have firm indications that the Martian satellite Phobos formed relatively near its current location via re-accretion of material blasted into Marsâ€™ orbit by some catastrophic event.
Mars Express closed in on the intriguing Martian moon Phobos on July 23rd, flying past at 3 km/s, only 93 km from the moon. The ESA spacecraftâ€™s fly-bys of the moon have returned its most detailed full-disc images ever, also in 3-D.
A new stereo view of Phobos, the larger and inner of Mars' two tiny moons, has been captured by a NASA spacecraft orbiting Mars. Phobos, only about 22 kilometers (13.5 miles) in diameter, has less than one-thousandth the gravity of Earth.
Mars' Moon Phobos -- in astronomy, innermost moon, or natural satellite, of Mars. Phobos orbits Mars at a distance of only 9,378 km (5,627 mi), closer to its planet than any other moon in the solar system. In fact, it is so close that the force of Mars's gravity is stronger than the force keeping the moon in its orbit, so the radius of Phobos's orbit is decreasing at the rate of about 1.8 m (about 6 ft) per century. In 40 million years, Phobos will either break apart into a ring...
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