and the bad news is that we can't draw an accurate diagram as an aid to understanding. The whole problem is that, on the scale of the solar system, the Earth and moon are so close together that ...

Among these collisions, one cataclysmic event would forever shape our planet and its closest celestial companion—the moon. Earth’s origins trace back to a turbulent solar system, where ...

the asteroid would have to be gravitationally bound to our existing Earth-Moon system and make multiple circuits around it. These conditions currently don’t apply to the asteroid, which was ...

Most scientists agree that a major collision 4.5 billion years ago with a protoplanet named Theia formed the Earth-Moon system. Now, a new study from the University of Nevada argues that ...

it only depends on its speed and trajectory as it approaches the Earth-Moon system,” said Robert Jedicke, a specialist emeritus on solar system bodies at the University of Hawaii’s Institute ...