Tag: Solar System
Why does Mercury have such a big iron core? Magnetism!
A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle. For decades, scientists argued that hit-and-run...
A new timeline of Earth’s cataclysmic past
Earth's cataclysmic past is a fact. Welcome to the early solar system. Just after the planets formed more than 4.5 billion years ago, our...
Close encounters of a tidal kind could lead to cracks on...
NASA's New Horizons captured this high-resolution enhanced color view of Pluto's moon Charon, showing the crack on the icy moon. It was taken just...
Extraterrestrial oceans: Beneath the surface
Artist's impression of the inside of Jupiter's moon Callisto. Credit: NASA/JPL; Jesper Lindkvist
Icy objects in our solar system have large oceans under their surfaces...
Exoplanets’ complex orbital structure points to planetary migration in solar systems
The University of Chicago's Sean Mills (left) and Daniel Fabrycky describe the complex orbital structure of the Kepler-223 expolanetary system in the May 11,...
