Tag Archives: Phobos

Solar eruptions could electrify Martian moons

Powerful solar eruptions could electrically charge areas of the Martian moon Phobos to hundreds of volts, presenting a complex electrical environment that could possibly affect sensitive electronics carried by future robotic explorers, according to a new NASA study. The study … Continue reading

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Hubble Space Telescope images Phobos

While photographing Mars, NASA’s Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. Discovered in 1877, the diminutive, potato-shaped moon is so small that it appears star-like in the Hubble … Continue reading

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Did a giant impact create the northern lowlands, both moons, and enrich the mantle?

The origin and nature of Mars are mysterious. The planet has geologically distinct hemispheres with smooth lowlands in the north and cratered, high-elevation terrain in the south. The red planet also has two small oddly-shaped oblong moons and a composition that sets … Continue reading

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Curiosity update: A roving astronomer

Sol 1736-39, June 23, 2017, update by MSL scientists Michael Battalio and Mark Salvatore: Curiosity has presented us with another beautiful workspace following a 16.6 meter drive.  The majority of this week’s activities were focused on imaging Vera Rubin Ridge to … Continue reading

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Curiosity update: Roving right along

Sol 1729-31, June 17, 2017, update by MSL scientist Abigail Fraeman: The drive on Sol 1728 was successful, and our weekend plan will be chock-full of activities. On the first sol, we will do some contact science on the rather … Continue reading

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Curiosity update: Science frenzy!

Sol 1692, May 9, 2017, update by MSL scientist Rachel Kronyak: After the drive on Sol 1691, the workspace in front of the rover had plenty of interesting rocks in front of us to keep us busy. Today I served as … Continue reading

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Mars rings: Not now, but maybe someday

As children, we learned about our solar system’s planets by certain characteristics — Jupiter is the largest, Saturn has rings, Mercury is closest to the sun. Mars is red, but it’s possible that one of our closest neighbors also had … Continue reading

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MAVEN fires rocket engine to dodge Phobos

NASA’s MAVEN spacecraft performed a previously unscheduled maneuver this week to avoid a collision in the near future with Mars’ moon Phobos. (…) On Tuesday, Feb. 28, the spacecraft carried out a rocket motor burn that boosted its velocity by … Continue reading

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ExoMars: Trace Gas Orbiter images Phobos

The ExoMars Trace Gas Orbiter has imaged the martian moon Phobos as part of a second set of test science measurements made since it arrived at the Red Planet on 19 October. The Trace Gas Orbiter (TGO), a joint endeavour … Continue reading

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Anomalous Phobos grooves caused by impacts

Some of the mysterious grooves on the surface of Mars’ moon Phobos are the result of debris ejected by impacts eventually falling back onto the surface to form linear chains of craters, according to a new study. One set of … Continue reading

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