Astronomy Picture of the Day . ... Credit: Hubble Heritage Team , George H. Herbig Theodore Simon ( IfA, U. Hawaii ), NASA Explanation: (xxxedit and linkxxx) In the well known Pleiades star cluster, starlight is slowly destroying this wandering cloud of gas and dust . ... Pressure of the star's light significantly repels the dust in the reflection nebula, and smaller dust particles are repelled more strongly. ... Publications with keywords: pleiades - reflection nebula - Merope . ...