From the article:
“ We still have no idea how big or far away they are. They could be objects in our galaxy, perhaps a few light-years across, or they could be far away in the universe and maybe millions of light years across.”
“ We still have no idea how big or far away they are. They could be objects in our galaxy, perhaps a few light-years across, or they could be far away in the universe and maybe millions of light years across.”
Dyson swarms are about 6e9 times smaller radius than our galaxy.