Quizá la pasada de una estrella rompis los extremos del disco planetario original, pero una compaqera de tamaqo estrella, permaneciendo en el sitio, serma necesaria para mantener el material del disco sin que se disperse, asevera. | Perhaps a passing star ripped off the edges of the original planetary disk, but a star-sized companion, remaining in place, would be necessary to keep the remaining disk material from spreading outward, he figures. |
