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US News Mysterious ‘gravity waves’ seen rippling out over our atmosphere

08:35  29 october  2019
08:35  29 october  2019 Source:   uk.news.yahoo.com

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Spectacular rippling waves spread out in the atmosphere above Australia last week, showing off a little-known phenomenon known as gravity waves . Weather expert Andrew Miskelly said: ‘More atmospheric gravity waves . Triggered, in this case, by outflow from isolated thunderstorms over

Spectacular rippling waves spread out in the atmosphere above Australia last week, showing off a little-known phenomenon known as gravity waves .

The waves spread over Australia (Weather Zone) The waves spread over Australia (Weather Zone)

Spectacular rippling waves spread out in the atmosphere above Australia last week - showing off a little-known phenomenon: gravity waves.

‘Gravity waves’ are very different to gravitational waves, the ripples from distant collisions in space captured by detectors on Earth - and refer to waves in our atmosphere.

They’re often caused by collisions between air masses of different temperatures, creating ‘ripples’ which can be seen by satellites.

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Mysterious and beautiful ‘ gravity waves ’ seen surging through Earth’s atmosphere . Which is nice, because if two black holes crashed into each other near our planet, humanity would probably be wiped out . Atmospheric gravity waves over the Coral Sea this morning. pic.twitter.com/hVKTbw12Z0.

Weather expert Andrew Miskelly said, ‘More atmospheric gravity waves. Triggered, in this case, by outflow from isolated thunderstorms over eastern NSW this afternoon.’

Gallery: 88 photos of Earth as seen from space (Photo Services)


Adam Morgan of the Australian Bureau of Meteorology told ABC, ‘There was a big thunderstorm over the north-west of WA and the disturbance in this case was the cold air falling out of the thunderstorm and into the warmer air near the surface.

‘The difference in density there causes the disturbance and then the gravity wave can travel out as the cold air spreads out.

Australia from space at night with city lights of Sydney, Melbourne and Brisbane, view of Oceania, Australian desert, communication technology, 3d render of planet Earth, elements from NASA (https://eoimages.gsfc.nasa.gov/images/imagerecords/57000/57752/land_shallow_topo_21600.tif) Australia from space at night with city lights of Sydney, Melbourne and Brisbane, view of Oceania, Australian desert, communication technology, 3d render of planet Earth, elements from NASA (https://eoimages.gsfc.nasa.gov/images/imagerecords/57000/57752/land_shallow_topo_21600.tif)

‘The disturbance will exist until everything rebalances itself, that's why they can travel a long way.’

The waves are known as ‘gravity waves’ because they are rebalanced by gravity, Science Alert reports.

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This is interesting!