<p>The speed of light is the upper limit at which conventional matter can travel. However, jet streams propel "material (...) at a significant fraction of the speed of light" (Wikipedia). </p>

<p>Let me rephrase the question, as I have made a mistake. Do we know what exactly emits the black hole in a jet stream?</p>

<p>And if they emit <em>something</em> than they put this matter back into this universe, which will then again serve as potential matter they could suck in.</p>

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2020-02-09T13:41:22.383Z
"a significant fraction of the speed of light" is *less* than the speed of light. But maybe you're thinking that black hole jets come from inside the black hole. They don't.
PM 2Ring
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2020-02-09T14:08:40.140Z
Twice and embarrassed "oh" from my side, apologies. Thank you pointing that out. So where exactly do the jet streams come from?
at_
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2020-02-09T21:30:21.280Z
Hi Rob, thank you so much! That answers it. Thanks!
at_
<black-hole>
Jet streams of black holes emit
at_
# Jet streams of black holes emit

(Asked by: username_0 on 2020-02-09)

The speed of light is the upper limit at which conventional matter can travel. However, jet streams propel "material (...) at a significant fraction of the speed of light" (Wikipedia).

Let me rephrase the question, as I have made a mistake. Do we know what exactly emits the black hole in a jet stream?

And if they emit *something* than they put this matter back into this universe, which will then again serve as potential matter they could suck in.

**Tags:** black-hole
> **Comments:**
> **username_1**: "a significant fraction of the speed of light" is *less* than the speed of light. But maybe you're thinking that black hole jets come from inside the black hole. They don't.  
> **username_0**: Twice and embarrassed "oh" from my side, apologies. Thank you pointing that out. So where exactly do the jet streams come from?  
> **username_0**: Hi Rob, thank you so much! That answers it. Thanks!  

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