When Mars Sized Planet Collided With Earth It May Have Left Two Large Portions Of Itself In Earth’s Core
A Mars-sized planet that collided with Earth in its infancy may have left two gigantic portions of itself deep within Earth’s core, scientists theorized in a new study. https://m.huffpost.com/us/entry/us_6061499ac5b67593e059f89a?ncid=APPLENEWS00001 (Photo courtesy of NASA)