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Astronomy Picture of the Day
NASA ^ | 4/27/10 | NOAA, SOSUS

Posted on 04/27/2010 5:55:31 AM PDT by sig226


The Bloop: A Mysterious Sound from the Deep Ocean
Credit: NOAA, SOSUS

Explanation: What created this strange sound in Earth's Pacific Ocean? Pictured above is a visual representation of a loud and unusual sound, dubbed a Bloop, captured by deep sea microphones in 1997. In the above graph, time is shown on the horizontal axis, deep pitch is shown on the vertical axis, and brightness designates loudness. Although Bloops are some of the loudest sounds of any type ever recorded in Earth's oceans, their origin remains unknown. The Bloop sound was placed as occurring several times off the southern coast of South America and was audible 5,000 kilometers away. Although the sound has similarities to those vocalized by living organisms, not even a blue whale is large enough to croon this loud. The sounds point to the intriguing hypothesis that even larger life forms lurk in the unexplored darkness of Earth's deep oceans. A less imagination-inspiring possibility, however, is that the sounds resulted from some sort of iceberg calving. No further Bloops have been heard since 1997, although other loud and unexplained sounds have been recorded.


TOPICS: Astronomy Picture of the Day
KEYWORDS: apod
Six .wav files of SOSUS sounds played at 10x original speed

Bloop, Julia, Train, Slowdown, Whistle, Upsweep

1 posted on 04/27/2010 5:55:31 AM PDT by sig226
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To: null and void; fnord; Number57; KevinDavis; rdb3; MNJohnnie; RightWhale; proudofthesouth; ...

2 posted on 04/27/2010 5:56:02 AM PDT by sig226 (Mourn this day, the death of a great republic. March 21, 2010)
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To: SunkenCiv

ping


3 posted on 04/27/2010 5:56:21 AM PDT by sig226 (Mourn this day, the death of a great republic. March 21, 2010)
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To: sig226

4 posted on 04/27/2010 5:59:32 AM PDT by KoRn (Department of Homeland Security, Certified - "Right Wing Extremist")
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To: sig226
Oops, did I do that?

Sorry, it was me. Had a bad case of the crabs and when I went to the beach, well, you know, .......

Even dropped on on the beach, but it died and dried up pretty fast. Derned crabs. They really bite, ya know?


5 posted on 04/27/2010 6:13:00 AM PDT by scoobysnak71 (Muhammad, the Pedophile Prophet . Looks like they crucified the wrong guy ...)
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To: scoobysnak71

6 posted on 04/27/2010 6:38:01 AM PDT by NYer ("Where Peter is, there is the Church." - St. Ambrose of Milan)
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To: sig226

Snoring krakens.


7 posted on 04/27/2010 6:47:02 AM PDT by tlb
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To: sig226

8 posted on 04/27/2010 8:19:01 AM PDT by JRios1968 (The real first rule of Fight Club: don't invite Chuck Norris...EVER)
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To: JRios1968

Those sounds.. well they are just eerie.


9 posted on 04/27/2010 8:30:04 AM PDT by Mmogamer (<This space for lease>)
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To: sig226

.
Magma.


10 posted on 04/27/2010 9:45:56 AM PDT by Touch Not the Cat (Where is the light? Wonder if it's weeping somewhere...)
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To: Mmogamer

Bet the ol’ stargate groupies are on to this.


11 posted on 04/27/2010 9:48:35 AM PDT by caww
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To: KoRn
http://www.youtube.com/watch?v=e24tkBx4mNQ
12 posted on 04/27/2010 9:51:42 AM PDT by Pyro7480 ("If you know how not to pray, take Joseph as your master, and you will not go astray." - St. Teresa)
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