Physicists have discovered that rotating black holes might serve as portals for hyperspace travel
- Scientists once thought that traveling into a black hole would kill you.
- But now, physicists have run computer simulations to show that certain types of black holes - large, rotating ones - could serve as portals for hyperspace travel.
- Some physicists believe that you'd arrive at a remote part of the Milky Way or perhaps in another galaxy altogether.
- One of the safest passageways might be the supermassive black hole at the center of our galaxy, called Sagittarius A*.
Following is a transcript of the video.Narrator: Black holes skirt the line between science fiction and science fact. On the one hand, scientists have seen real black holes in action, consuming unsuspecting stars that pass too close. But where reality ends and fiction takes over is at the edge of a black hole - a place called the event horizon, where no spacecraft has ever gone.
But that all changed in the early 1990s when different research teams in Canada and the US discovered a second singularity called a "mass inflation singularity." It still has a strong gravitational pull, but it would only stretch you by a finite amount, and potentially NOT kill you in the process, meaning, you might survive the trip through a black hole. More specifically, through a large, rotating black hole, which is where these types of singularities exist.Now, astronomers obviously can't travel through a black hole yet to test this theory. In fact, the best place to test this is at the supermassive black hole in the center of our home galaxy, the Milky Way, which is 27,000 light years away. Not conveniently close to the least.
Therefore, scientists instead run computer simulations to see what would happen if we did manage to reach an isolated, rotating black hole, and now, for the first time, a team of scientists at UMass Dartmouth and Georgia Gwinnett College has done exactly that.Lior Burko: "You would feel a slight increase in temperature, but it would not be a dramatic increase. It's just that you don't have enough time to respond to the very strong forces. It would just go through you too quickly." Narrator: He added that passing through a weak singularity is like quickly running your finger through a candle flame that's 1,000 degrees Celsius. If you hold your finger in the flame long enough, you'll get burned, but pass your finger through quickly, and you'll barely feel a thing. Similarly, if you pass through a weak singularity with the right speed and momentum, and at the right time, you may not feel much at all.
As for what happens once you get through to the other side, no one really knows, but Burko has his own ideas. He says one possibility is that we'd arrive at some other remote part of our galaxy, potentially light years away from any planets or stars, but a second, and perhaps more intriguing, possibility is that we'd arrive in a different galaxy altogether. That's if you even make it that far.
Scientists say more research is needed before we're anywhere close to successfully traveling through a black hole. But when we are ready, one of the safest passageways might be the supermassive black hole at the center of our galaxy called Sagittarius A*, and it might just be our ticket out of the Milky Way.
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