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<blockquote data-quote="freyar" data-source="post: 6636316" data-attributes="member: 40227">From a not-quite-insider's view, that's what I have heard about wormholes as well, Morrus, ie, all the ones we know about are unstable.&nbsp; Time dilation would almost certainly happen, but of course that's relative to someone who doesn't go through or too near the wormhole.&nbsp; That means, like always, you see one second as being one second.&nbsp; It's just your seconds are different than someone else's.&nbsp; I haven't seen Interstellar, but I thought that Kip Thorne provided the equations describing light going around a black hole rather than specifically a wormhole.&nbsp; Many mathematical descriptions of black holes do include wormholes, which is probably what the movie uses.&nbsp; But those are &quot;eternal&quot; black holes --- ones that just sat around from the dawn of time, rather than forming by the collapse of a star or something.&nbsp; So that's still sci-fi. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=";)" title="Wink&nbsp; &nbsp; ;)"&nbsp; data-smilie="2"data-shortname=";)" />&nbsp; Also, I think the shiny ring around that black hole is light from the accretion disk behind the black hole that gets bent around to our view by gravitational lensing.&nbsp; If you just had a wormhole (or black hole) hanging around in space with no matter nearby, it would be like Deset Gled says.&nbsp; Just black.</blockquote>

[QUOTE="freyar, post: 6636316, member: 40227"] From a not-quite-insider's view, that's what I have heard about wormholes as well, Morrus, ie, all the ones we know about are unstable. Time dilation would almost certainly happen, but of course that's relative to someone who doesn't go through or too near the wormhole. That means, like always, you see one second as being one second. It's just your seconds are different than someone else's. I haven't seen Interstellar, but I thought that Kip Thorne provided the equations describing light going around a black hole rather than specifically a wormhole. Many mathematical descriptions of black holes do include wormholes, which is probably what the movie uses. But those are "eternal" black holes --- ones that just sat around from the dawn of time, rather than forming by the collapse of a star or something. So that's still sci-fi. ;) Also, I think the shiny ring around that black hole is light from the accretion disk behind the black hole that gets bent around to our view by gravitational lensing. If you just had a wormhole (or black hole) hanging around in space with no matter nearby, it would be like Deset Gled says. Just black. [/QUOTE]

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