• NASA’s GRAIL mission brings most accurate moon gravity map

    Gravity field map of the moon generated by GRAIL probes boosts Giant impact hypothesis, which states that the Moon was formed out of the debris left over from a collision between the Earth and a body the size of Mars, about 4.5 billion years ago. This new map is also

  • Asteroid impacts in Antarctica

    In a controversial study, gravity maps of the Antarctic continent have revealed what could be multiple asteroid impact sites. Gravity anomalies in Antarctica might mark spots where hundreds of thousands of years ago the frozen continent was struck by giant…