Tag Archives: giant impacts

Vapor loss during accretion shapes planetary compositions

Analysing a mixture of earth samples and meteorites, scientists from the University of Bristol have shed new light on the sequence of events that led to the creation of the planets Earth and Mars. Planets grow by a process of … Continue reading

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Mars’ big-impact history had a post-accretion lull

From the earliest days of our solar system’s history, collisions between astronomical objects have shaped the planets and changed the course of their evolution. Studying the early bombardment history of Mars, scientists at Southwest Research Institute (SwRI) and the University … Continue reading

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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

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