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Old 04-23-2017, 06:15 PM   #1
Megan
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sound waves and black holes

Can we hear sound that pitch?....


The lowest note in the universe is caused by the rumbling of a black hole in the Perseus galaxy - 57 octaves below middle C
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Old 04-23-2017, 08:54 PM   #2
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We definitely can't hear that , but I think the bass in my schola cantorum might be able to sing lower than that
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Old 04-23-2017, 10:40 PM   #3
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Can we hear sound that pitch?....


The lowest note in the universe is caused by the rumbling of a black hole in the Perseus galaxy - 57 octaves below middle C
How interesting!
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Old 06-04-2017, 01:26 AM   #4
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57 octaves below middle C? It would be nice to have the beginning of the Firebird played that low! Only it couldn't be heard.
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Old 08-31-2017, 12:31 AM   #5
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Now, black holes are my thing !! I love this stuff, even though the science is far above my head!!
Not entirely on topic, but did you know that the galaxy called Andromeda is on a collision course with our own Milky Way? In about several billion years or so our two galaxies will obliterate each other! I find that fascinating.
Now, the question is: what music to accompany this stellar catastrophe?
Makes a change to the usual "Desert Island Discs", wouldn't you say?
My suggestion: something orchestral by Scelsi, like this: https://www.youtube.com/watch?v=AsTX7Vm7zoM
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Old 09-04-2017, 02:41 PM   #6
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Now, black holes are my thing !! I love this stuff, even though the science is far above my head!!
Not entirely on topic, but did you know that the galaxy called Andromeda is on a collision course with our own Milky Way? In about several billion years or so our two galaxies will obliterate each other! I find that fascinating.
Now, the question is: what music to accompany this stellar catastrophe?
Makes a change to the usual "Desert Island Discs", wouldn't you say?
My suggestion: something orchestral by Scelsi, like this: https://www.youtube.com/watch?v=AsTX7Vm7zoM
That piece works for me. Thank you for sharing that!
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Old 09-04-2017, 04:58 PM   #7
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That piece works for me. Thank you for sharing that!
Yes, I thought it very fitting, and a great piece.
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Old 09-04-2017, 10:24 PM   #8
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Back to black holes, here's an article about a recent discovery of a super massive black hole near the centre of our Milky Way:
https://www.theguardian.com/science/...-the-milky-way
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Old 09-04-2017, 10:33 PM   #9
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As I said above a few posts ago, the science is way above my head, but am I wrong in saying that in time (lots of time!) we will eventually be sucked into this gaping stellar maw?
Imagine that!
Any other suggestions for suitable music? Methinks Brahms doesn't quite fit the bill.
How about the closing passage of the 1st movement of Beethoven's 9th?
https://youtu.be/etBs4o6MAvI?t=890
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Old 09-04-2017, 10:37 PM   #10
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Or the closing passage of the 1st movement of Bruckner's 9th?
https://youtu.be/jQo65DZlJ18?t=1375
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Old 09-05-2017, 02:53 PM   #11
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As I said above a few posts ago, the science is way above my head, but am I wrong in saying that in time (lots of time!) we will eventually be sucked into this gaping stellar maw?
Unlikely. Black holes are powerful, but our galaxy is incomprehensibly large.
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Old 09-05-2017, 03:52 PM   #12
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Or the closing passage of the 1st movement of Bruckner's 9th?
https://youtu.be/jQo65DZlJ18?t=1375
Do I detect some similarities between the Beethoven passage and the Bruckner? I have never heard these before one after another. (Even the cat liked it.)
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Old 09-05-2017, 05:41 PM   #13
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Do I detect some similarities between the Beethoven passage and the Bruckner? I have never heard these before one after another. (Even the cat liked it.)
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Old 09-05-2017, 08:48 PM   #14
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Do I detect some similarities between the Beethoven passage and the Bruckner? I have never heard these before one after another. (Even the cat liked it.)
Schrödinger's?
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Old 09-06-2017, 03:23 PM   #15
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Schrödinger's?
Which tune is radioactive and which tune is poisonous?
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