Tag Archives: Saturn

Mars Express views both moons against Saturn’s rings

New images and video from ESA’s Mars Express show Phobos and Deimos drifting in front of Saturn and background stars, revealing more about the positioning and surfaces of the Red Planet’s mysterious moons. Mars’ two small moons are intriguing objects. … Continue reading

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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

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Why is Mars so small?

Because it was starved during infancy, says Kevin Walsh (Observatoire de la Cote d’Azur and Southwest Research Institute, Boulder). In a paper in Nature, written with four colleagues and published June 5, 2011, he argues that when the planets were … Continue reading

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