Mars: Ancient Protoplanets Hidden Deep Within
New research suggests that the remains of ancient protoplanets may be hidden deep within Mars' mantle. NASA's InSight lander data reveals structures formed by impacts 4.5 billion years ago.
New research suggests that the remains of ancient protoplanets may be hidden deep within Mars' mantle. NASA's InSight lander data reveals structures formed by impacts 4.5 billion years ago.