The mission ended in complete silence where everyone held their breath, followed by a few tears and a thunder of applause. Closing a chapter of the study of Saturn, its moons and rings, the Cassini spacecraft plunged to Saturn on September 15, 2018, burning as it entered the atmosphere, while on Earth the ship’s explosion was noticed by the sudden […]
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On September 15, 2017, the Cassini probe that has been in orbit around Saturn since 2004 will complete its mission, dipping towards the planet to the rings in the upper layers of its atmosphere where it will be consumed by the forces of friction. A final phase called by the Nasa “Grand Finale”, which will lead the probe to areas […]
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Each year, as part of the international Cassini-Huygens space mission, an international workshop is organized about the progress on the knowledge of the surface of Saturn’s largest satellite, Titan. For the first time since the beginning of the mission in 2004, and less than a year before the end of this one in September 2017, the organization of this workshop […]
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The magnetic field of the earth is caused by the growth of the solid inner core. However, it has only been around 1 billion years. So why the early magnetic field dating back to at least 3.45 billion years? Theoretical predictions exist, but for the first time, researchers have conducted experiments that confirm. This work, conducted by an international team […]
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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 and complementary studies provide an answer to this question. One of these studies, to be published in The Astrophysical Journal […]
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