Space rocks may have bounced off baby Earth, but slammed into Venus
Those responses to long-ago collisions could help explain why the two worlds are so different
![illustration of planets colliding](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/10/100421_lg_earth-venus_feat.jpg?fit=1030%2C580&ssl=1)
The early solar system may have been full of collisions between baby planets (one smashup shown in this artist’s illustration). But more of the fragments of those collisions stuck to Venus than to Earth, a new study suggests.
JPL-Caltech/NASA