Through remote galaxies Beyond cosmic rays Unobserved phenomenon Traversing nameless space Outside the solar system Unidentified zones Hidden in Nebulae Composition unknown Intruding explored cosmos The menace now exposed With hypervelocity And it spreads unopposed Atmospheric entrance Disaster imminent Gigantic collision Impact event The surface penetrated High megaton yield Rotation mechanism disturbed Collapsed magnetic field It came from the skies Global eruptions Cracking crusts and plates Acidic waters Species disintegrate Re-entry of ejecta Radiation intense Ecology disrupted The Cenozoic era ends It came from the skies