39: BONUS - Do black holes stop time?
The Supermassive Podcast
Izzie Clarke
4.6 • 556 Ratings
🗓️ 7 April 2023
⏱️ 14 minutes
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Summary
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The Supermassive Podcast from the Royal Astronomical Society is a Boffin Media Production. The producers are Izzie Clarke and Richard Hollingham.
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Transcript
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| 0:00.0 | Hello and welcome to another bonus episode of the Supermassive podcast from the Royal Astronomical Society with me, science journalist Izzy Clark and astrophysicist Dr Becky Smethyst. |
| 0:14.0 | Thank you to everyone who has sent lovely messages that they're enjoying the extra episodes from us. |
| 0:19.6 | One person unfortunately didn't get the memo and left a one star review that made us sad that said they're enjoying the extra episodes from us. One person, unfortunately, didn't get the memo and left a one-star review that made us sad that said, the latest episode is 14 minutes. Kind of stupid. So, to explain again, these are intentionally shorter bonus episodes where we dive into the supermassive mailbox to take on more of your questions |
| 0:39.6 | that we just don't have time to cover in the main show. Yeah, but by creating these episodes, |
| 0:44.7 | we're now getting more emails and more questions. So like the universe, our mailbox is just |
| 0:49.6 | expanding and I don't think we'll ever get to the end of it. I think that's all that we've |
| 0:53.6 | created here. |
| 0:54.4 | Yeah, I love that parallel though. That's something we need to keep going, keep sending in questions. |
| 0:58.7 | Yeah, yeah, fine. So, right, on to the questions. Becky, can you help with this one from pre-Drumment? |
| 1:05.4 | They say, dear supermassive team, you guys are brilliant. thank you very much. Thank you for the amazing podcast. |
| 1:11.6 | I enjoy every single episode and it's helped to understand or momentarily think I understand so much. |
| 1:17.8 | Just one simple question. |
| 1:19.3 | What's the deal with Black Hole's Stopping Time? |
| 1:22.0 | Would anybody care to explain, talk to me like I'm five years old, please. |
| 1:26.2 | Many thanks, pre-drumramant what a brilliant email |
| 1:29.2 | so good also I love that just one simple question it might have been McFresh |
| 1:36.0 | simply pre but I don't think it has the most of simple answers but I will try so black holes |
| 1:42.2 | don't stop time. |
| 1:45.1 | They only appear to do that for somebody watching from the outside. |
| 1:49.8 | It is a little bit of an illusion that they create that's caused by the black hole's immense gravity. |
| 1:56.5 | So Einstein's theory of general relativity, which is our best theory we have to describe gravity, |
| 2:02.1 | says that heavy objects curve space time. So they curve space itself and anything moving on |
... |
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