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Tue, 23 Oct 2018
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Strange Sounds


Bizarro Earth

Eerie 'singing' sounds heard coming from the Antarctic ice shelf

Antarctic ice shelf
© NOAA PHOTO LIBRARY/FLICKR
Scientists have heard strange "singing" noises coming out of the ice shelf.

The low-frequency noises - which sound a little like moaning when sped up - could help researchers track the ice shelves as they collapse.

The singing tones come out of the surface of the massive Ross Ice Shelf when the winds blowing across the snow dunes cause it to vibrate. That means they produce the "tones" almost constantly, and now scientists have found they can listen to them.

Doing so could help them spot how the ice shelf is forming from afar, and track the damage that is being done by climate change by tuning into the tones.

Ice shelf collapses can be drastic and sudden. When they do, they can change the flow of water and raise sea levels, making it important to watch for any signs as they occur.

To try and understand how the Ross Ice Shelf is arranged, scientists put 34 very sensitive seismic detectors under its surface. They then monitored its vibrations from late 2014 to early 2017.

When they checked in on that data, they found that the snowy coat that sits on top of the ice shelf appeared to be almost constantly vibrating.

It was then they found that the shaking was caused by the winds travelling across the huge snow dunes and making the snow rumble, like a huge drum.


Question

Mysterious eerie hum from the sky baffles Sweden residents

Strange hum in Sweden
© YouTube/Rene Krupinski
YouTuber Rene Krupinski shared the bizarre clip which features a low unusual fluctuating noise appearing to emanate from the sky in Sweden.

The two minute and 21 second video was reshared by another YouTube channel today.


Comment: The footage was originally published in January, 2018.


It is the latest in a string of unusual noises to heard from the sky worldwide - with unusual hums and horrific "trumpet" noises.

Scientists have been theorising what is causing this noise, with theories ranging from shifting ice to distant storms.

Krupinski shared the video of him standing in a snowy landscape, which is silent apart from a constant low buzz - and a passing snowmobile.


Play

'Car covered with mud': Loud explosion heard, felt in downtown Indianapolis, Indiana

Strange boom in Indiana
© RTV6
Police are investigating after a loud "boom" shook much of Irvington Wednesday evening.

Police were called to the area of Washington Street and Campbell Road Avenue just after 10:30 p.m. after dozens of residents reported what sounded like an explosion.


People living within blocks of the area of the explosion report their homes shook and some even say pictures fell off of their walls.


Music

Strange trumpet noises heard coming from the sky in Northern Ireland

Strange sky sounds (stock)
On September 26, 2018, YouTube user 'philip compton' posted video footage of 'strange trumpeting' noises he heard in the skies of Northern Ireland.


Headphones

Strange trumpeting sounds heard in the skies of Gothenburg, Sweden

Trumpeting sounds in Sweden
© YouTube/Rene Krupinski
YouTube user 'Rene Krupinski' posted footage of trumpeting sounds he heard in the skies of Gothenburg, Sweden on August 11, 2018.
Strange trumpet sound in the sky Aug. 2018. Gothenburg / Göteborg Sweden / Sverige. Early morning in Gothenburg in Sweden i heard this strange trumpet sound. People was looking up when the sound came.

Question

'Is it aliens or something?': Trumpet sounds heard in the skies of Bavaria, Germany

Strange sounds in Germany
© Sharon Hill
YouTube user 'murtaza akhtar' posted video footage of ''trumpet sounds' he heard in the skies of Bavaria,Germany on August 4, 2018.
Strange sounds from the sky? Is it Aliens or Something.

Music

'Weird sound from sky' heard in Penang, Malaysia

Strange sounds
YouTube user 'Steven Chan' recorded video of 'weird sounds' he heard in the skies of Penang, Malaysia.
Weird sound from sky at Penang during 2am to 4am 09 Aug 2018.

Question

'Trumpeting sounds' heard in Dallas, Texas

Strange sounds
On August 23, 2018, YouTuber 'Erika Diaz' uploaded footage of 'trumpet sounds' she heard in the skies of Dallas, Texas.
Apocalypse sounds coming from the sky. As soon as I was walking outside, I heard loud trumpets sounds. You all give me your thoughts. Strange sounds.

Fireball 5

Spectacular lightshow or harbinger of doom? 5 facts about tonight's Perseid meteor shower

Perseid showers
© Mario Anzuoni/Reuters
This year's Perseid meteor shower promises to be one of the best for stargazers as a new Moon bringing darker skies means night time conditions are optimum for this potentially catastrophic cosmic event.

The trail of shooting stars created by the Swift-Tuttle comet have been active in the night sky since mid-July, however, they have been peaking since August 11 and as many 70 shooting stars per hour are expected to be visible from Earth in the early hours of Monday morning.

Here's five more facts about the Perseid meteor shower:

One of the most consistent:

The Perseid meteor shower is one of the most reliable showers year-after-year with Comet Swift-Tuttle being in orbit for thousands of years. It takes 133 years to ellipse the Sun and this is the first year it has passed into the inner solar system since 1991. The next time will be in 2126.

Comment: See also: The annual Perseids: Astronomers prepare for Earth to 'plow' into fiery meteor shower


Play

Loud 'sky sounds' heard in New York

Strange sound in NY
© YouTube/Charity Oswald
On July 30, 2018, YouTube user 'Charity Oswald' heard and recorded 'loud sounds' she heard in the sky outside her New York home.