黑洞的甜甜圈形状之谜

Will the oceans ever get too salty for plant and animal life to thrive? Doughnut holes Black holes are depicted as having doughnut-shaped discs around them, and space telescope images seem to support this. Do they somehow have this shape when viewed in all directions? nearby black hole – which is good, because the near-light-speed jets they emit from their poles can be millions of light years long and could easily fry you. So you won’t see it as exactly symmetric. Then again, odds are you also aren’t looking at it exactly edge-on either, so you will see something between the two views, and this does average out to “doughnut shape with some blobs”. …