gateway to cosmos with surreal celestial landscape

celestial gateway door leading unknown framed open revealing swirling galaxy stars nebulae steps bathed golden light lead doorway background shimmering expanse canvas breathtaking beauty wonder mystery potential infinite possibilities suggests passage dimension realm understanding balanced harmonious promise adventure generated cosmos surreal landscape staircase leads cosmic portal surrounded mystic clouds galaxies evoking exploration realms fantasy sci-fi concepts imagination dreamlike ethereal mystical universe nebula heavenly otherworldly fantastical entrance stairway astral space vast abstract artistic journey visualization illusion eternity