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Tag Archives: Deimos
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
Posted in Reports
Tagged crustal dichotomy, Deimos, northern lowlands, northern plains, Phobos
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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
Posted in Reports
Tagged Aeolis Mons, Beaver Dam Pond, Blunts Point, Curiosity, Deimos, Gale Crater, Mars Science Laboratory, Mount Sharp, MSL, Murray Formation, NASA, Phobos, Vera Rubin Ridge, Winter Harbor
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Curiosity update: Marching ahead towards Vera Rubin Ridge
Sol 1732-33, June 19, 2017, update by MSL scientist Mark Salvatore: As this is my first time contributing to the MSL blog, I’d like to quickly introduce myself to you all. I’m Mark, an MSL Participating Scientist and a faculty … Continue reading
Posted in Reports
Tagged Aeolis Mons, Bagnold Dunes, Curiosity, Deimos, Gale Crater, Leland Point, Mars Science Laboratory, Moseley Point, Mount Sharp, MSL, Murray Formation, NASA, Pierce Head, Vera Rubin Ridge
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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
Giant impact made Mars moons Phobos, Deimos
Where did the two natural satellites of Mars, Phobos and Deimos, come from? For a long time, their shape suggested that they were asteroids captured by Mars. However, the shape and course of their orbits contradict this hypothesis. Two independent … Continue reading
Curiosity images planets, asteroids, Mars moons
A new image from NASA’s Curiosity Mars rover is the first ever from the surface of Mars to show an asteroid, and it shows two: Ceres and Vesta. These two — the largest and third-largest bodies in the asteroid belt … Continue reading
Hurtling moon casts no cooling shadow
Total solar eclipses on Earth take hours to unfold, even if totality — the brief time when all the Sun is covered — lasts just a few minutes. Almost everyone who stands in the path of a solar eclipse notes … Continue reading
Posted in Reports
Tagged atmosphere, Deimos, dust, Mars Odyssey, Phobos, solar eclipses, THEMIS, thermal inertia, transits
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Where did Phobos and Deimos form?
For a long time, scientists thought the Martian moons, Deimos and Phobos, were captured asteroids. Now, however, many are examining the idea that the moons formed in orbit around Mars, accreting from debris in the aftermath of a big impact. … Continue reading
Chips off the old block?
Are Martian moons Phobos and Deimos escaped asteroids, as sometimes proposed? Robert Craddock (National Air and Space Museum) suggests in a paper in the February 2011 issue of Icarus they may have come from a large impact on Mars instead. … Continue reading