How did Phobos get so groovy? Posted on 30/11/2018 by Lic. Nestor Suarez Mars’ moon Phobos is an enigmatic little world, with unusual grooves cutting across its surface. Now scientists have new evidence to support the theory that they were created by rolling boulders. How did Phobos get so groovy? Compártelo:Hacé click para compartir en Twitter (Se abre en una ventana nueva)Hacé click para compartir en Facebook (Se abre en una ventana nueva) Relacionado