It is believed that large iron asteroids are heavy cores of planets like Earth, which
Researchers believe that volcanicthe activity on such asteroids continued until they completely froze. Check this hypothesis will allow data from the device Psyche, which in 2022 will go to explore the asteroid belt and study Psyche, a large iron asteroid.
Previously, astronomers from the Southern European Observatorynoticed a rare cosmic phenomenon - the asteroid (6478) Gault spun so hard that the rotation began to destroy it. Because of this, the object acquired the tail, which makes it look like a comet.