Coronal mass ejections strip away planetary atmospheres and cause raging geomagnetic storms on Earth. In today’s paper, the authors test a tool that could one day be used to predict the occurrence of coronal mass ejection impacts and the severity of geomagnetic storms.
Slowly-rotating Venus has some seriously speedy clouds. Using near-infrared images from Japan’s first Venus orbiter, Horinouchi and collaborators study the atmospheric dynamics of our strange sister planet.
NGC 3199 is only the fourth Wolf-Rayet nebula to be observed in X-rays. Toala et al. present chemical abundances for this nebula and find that the star that produces it, once considered a runaway star, might not be so far from home after all.
The tiny Martian moons Phobos and Deimos were initially thought to be captured asteroids. Now, it looks like they might be remnants of a collision 4.3 billion years ago. Can simulations help us figure out what they’re made of?
How much tidal stress does Jupiter put on Europa? Enough to break the ice. Panning et al. estimate the magnitude of the ambient seismic noise on Europa due to tidal cracking events and turbulence in its subsurface ocean.