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A universe of beauty, mystery and wonder

A universe of beauty, mystery and wonder
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Showing posts with label Geology - Plate Tectonics. Show all posts
Showing posts with label Geology - Plate Tectonics. Show all posts

Sunday, December 18, 2016

WHAT IS THAT MYSTERIOUS ALIEN METALIC SOUND COMING FROM THE MARIANA TRENCH, the ocean's deepest place, 36,000 feet down? It is so weird, it can't be an animal call

©http://ottersandsciencenews.blogspot.ca/. Unauthorized duplication of this blog's material is prohibited.   Excerpts and links may be used, provided that full credit and link is given to Otters and Science News Blogspot.  Link to this post:  http://ottersandsciencenews.blogspot.ca/2016/12/what-is-that-mysterious-alien-metalic.html - Thank you for visiting my blog.
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MARIANA TRENCH ANIMAL
Listen to the mysterious 'alien song' heard deep in the Mariana trench: Researchers reveal unexplained sound heard 36,000 feet down - That is 10,058 meters, or 10 kilometers, or 6.25 miles deep.
  • The Mariana Trench is the deepest place in the world's oceans
  • Scientists sent a hydrophone down to Challenger Deep, the deepest part
  • Strange booming is unidentified - but it could be an animal call 
MARIANA TRENCH ANIMALS
Researchers have released audio of a strange booming sound heard in the the deepest part of the ocean.    Scientists at OSU's Hatfield Marine Science Center named it the 'Western Pacific Biotwang' and say their best guess is that it is a new type of previously unheard whale call. 
 
Lasting between 2.5 and 3.5 seconds, the five-part call includes deep moans at frequencies as low as 38 hertz and a metallic finale that pushes as high as 8,000 hertz.
 
 'It's very distinct, with all these crazy parts,' said Sharon Nieukirk, senior faculty research assistant in marine bioacoustics at Oregon State.   'The low-frequency moaning part is typical of baleen whales, and it's that kind of twangy sound that makes it really unique.   We don't find many new baleen whale calls.'
 
Continue reading, WATCH VIDEO with the mysterious sound, other videos about life forms in the Mariana trench, and see explanatory illustrations

Thursday, August 11, 2016

AUSTRALIA IS ON THE MOVE - That's why GPS is off - Scientists are forced to recalculate latitude and longitude coordinates because the country has moved 1.5 meters in only 20 years

©http://ottersandsciencenews.blogspot.ca/. Unauthorized duplication of this blog's material is prohibited.   Excerpts and links may be used, provided that full credit and link is given to Otters and Science News Blogspot.  Link to this post:  http://ottersandsciencenews.blogspot.ca/2016/08/australia-is-on-move-thats-why-gps-is.html - Thank you for visiting my blog.
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  • Activists often talk about CLIMATE CHANGE as if it was an anomaly caused directly and exclusively by humans. 
  • The fact is that Earth's history is one of continuous change in climate, geology, and everything else. 
  • Our planet is affected not only by its own geology and the solar system, but by effects from stars in the Milky Way  - and beyond as well.
  • For most of our 4.5 billion year history Earth was uninhabitable for human life. 
  • There were times when the whole planet was what scientists call "Snowball Earth" - completely frozen from pole to pole.  It was volcanic activity that reversed that process. 
  • And then the entire Earth's crust has been in continuous move since the beginning.  Sometimes tectonic plates have joined into a single continent, only to split up.  And then they go on to consolidate again.  
  • The following article is about Australia's own geologic moves, which we only notice because of GPS and other modern technology.  
Scientists will slightly over-correct Australia's longitude and latitude to account for movements of about 7 centimetres north per year. The measurements will be precise in 2020
Scientists will slightly over-correct Australia's longitude and latitude to account for movements of about 7 centimetres north per year. The measurements will be precise in 2020

Scientists are being forced to recalculate Australia's latitude and longitude coordinates because they are currently out by over 1.5 metres.    The updated coordinates will improve the accuracy of Global Navigation Satellite Systems such as GPS - which will allow for more effective transport, personal navigation, farming and surveying.  

Experts at Geoscience Australia will undertake the modernisation program, which will close the growing gap between the actual coordinates and those currently used by GPS.  The coordinates were last updated in 1994, meaning Australia has moved about 1.5 metres north in the last 22 years.    

Tectonic plates (pictured) are huge slabs of rock floating in the earth's lithosphere
Tectonic plates (pictured) are huge slabs of rock floating in the earth's lithosphere
 
Australia sits on the fastest moving continental tectonic plate in the world, a huge slab of rock floating deep beneath the ocean that is gradually pushing the country north.

Continue reading and see more images and VIDEOS