Planetary science

Category archives for Planetary science

Sulfur: As You Like It

Speaking of sulfur: This common element turns out to be highly useful for understanding planetary processes – both on Earth and Mars. Two new papers by Dr. Itay Halevy use sulfur chemistry to understand the history of sulfur-loving microbes at the bottom of the ocean and the compounds spewed from Martian volcanoes that may have…

Have you complained about the weather recently? On the gas giants at the edges of our solar system, Uranus and Neptune, hurricane-like storm systems as big around as Earth blow 1000 km/h winds for years on end. Voyager II image of Neptune, showing storm features. Image: NASA But wait…What exactly constitutes weather on a giant…

The patterns of the dark craters on the near side of the Moon have spurred the imagination of observers from all cultures: Some visualize a woman, others a rabbit, or, like most of us, they see the “Man in the Moon.” Near side The explanation as to why we always see the Man in the…