The existing principle is that experiencing a horrible death from entering a black hole would prevent observers from actually entering a region of spacetime where their future was not uniquely determined.įirst proposed 40 years ago, the theory holds the idea of determinism at its core – that is, given the past and present, the physical laws of the universe do not allow for more than one possible future. However, a mathematician from the University of California, Berkeley, believes he has evidence to suggest that some black holes might actually allow someone to pass through and survive – but not without some serious mind-melting consequences. While we understand little about them, we have generally come to the consensus that if anything or anyone gets too close to one, the giant gravity vacuum will tear the subject apart down to the smallest atom.
Science fiction has, for years, put forward the idea that travelling through a black hole might transport you to another location in space or time.
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Explore how black holes aided the evolution of a universe suitable for life, discover how we can see into a black hole's past, and find out how we might one day image the supermassive black hole at the center of our own galaxy! Enter your email to download the Black Holes ebook and receive our weekly e-newsletter with the latest astronomy news.Travelling through a black hole would instantly kill you, right? Not necessarily, according to new research.
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If black holes draw you in, be sure to check out our FREE ebook on black holes. Strangely enough, this even includes the surface of the star that collapsed to form the black hole! Additionally, the light she sends back to you gradually gets dimmer and redder.Īccording to your perspective, Sally never actually descends into the black hole she will travel more and more slowly as she approaches the event horizon, but you will never actually see her reach “the point of no return.” Time comes to a standstill at the event horizon, such that an outside observer will never really see anything fall inside a black hole. From your perspective, Sally appears to slow down as she approaches the black hole, and the time interval between her flashes of light gradually increases. Before she leaves, Sally agrees to flash a light back to you every second. Now imagine your colleague Sally is interested in more hands-on investigation of time inside a black hole, and decides to dive towards it. The light will appear to continually slow down as it approaches the black hole, ultimately reaching a complete dead stop at the event horizon. Unfortunately, you will be waiting a very long time-forever, in fact.
Imagine you want to investigate a black hole by shining a light towards it and measuring the time that elapses before the light is reflected back to you.
For this reason, an observer inside a black hole experiences the passage of time much differently than an outside observer. Black holes are so massive that they severely warp the fabric of spacetime (the three spatial dimensions and time combined in a four-dimensional continuum).
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