This eerie new footage recorded over Brazil during a storm reveals a massive mystery object within the clouds, visible only when lightning flashes, leaving the cameraman – and those of
NASA’s Voyager 1 sent back something strange—and now declassified documents reveal a mystery white triangle spotted in deep space. What did they see? And why was this hidden for decades?
https://wms.lroc.asu.edu/apollo/view?camera=M&image_name=AS17-M-3183. source