A massive ancient stargate suspended over a cosmic rift in a dying interstellar empire's capital

A massive ancient stargate suspended over a cosmic rift in a dying interstellar empire's capital, the gate ring covered in glowing cyan runic symbols and cracked ancient circuits, brilliant aurora borealis streaming through the rift above, a lone cloaked astronomer standing on a floating stone platform below looking up at the gate, crumbling stone pillars covered in luminescent moss on both sides, twin planets visible in the dark sky with one showing signs of destruction, dramatic wide angle shot, cinematic sci-fi fantasy art, dark atmospheric lighting with cyan and violet tones, ultra detailed --ar 16:9 --s 500 --c 25 --v 7