Australia's bushfires are producing so much smoke that NASA expects it to travel all the way round the world and return to Australia
- Australia's fires are producing so much smoke that it will travel all the way around the earth and back to Australia, NASA said.
- NASA said that the smoke had already travelled "halfway around Earth" last week, reaching South America, and will "make at least one full circuit around the globe, returning once again to the skies over Australia."
- The fires have devastated Australia, killing dozens of people and an estimated one billion animals, burning thousands of miles of land and creating hazardous air quality.
- The effects have reached other countries, including turning the sky red and glaciers black with smoke in New Zealand and affecting sunrises and sunsets in South America.
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NASA's Goddard research center said that the smoke had already "travelled halfway around Earth" as of January 8, "crossing South America, turning the skies hazy and causing colorful sunrises and sunsets."
"The smoke is expected to make at least one full circuit around the globe, returning once again to the skies over Australia."
NASA noted that the fires in Australia are "not just causing devastation locally," blaming the "unprecedented conditions" of "heat combined with historic dryness."Bushfire season began in the country in September 2019. The season has particularly intense thanks to a period of prolonged drought that helped fires spread, leading to unprecedented damage and the death of an estimated one billion animals.
The fires have killed at least 28 people and destroyed thousands of homes.
Satellite images have shown clouds of smoke from the fires drifting away from the continent:
They're so big that they have created their own weather, in the form of giant thunderstorms that can then create new fires.
These storms are sending smoke into the stratosphere, with some plumes reaching 9.3 miles (15 kilometers) from the ground, NASA said.
And this smoke then "can travel thousands of miles from its source, affecting atmospheric conditions globally."
NASA drew particular attention to Australia's neighbor, New Zealand, saying: "The smoke is having a dramatic impact on New Zealand, causing severe air quality issues across the county and visibly darkening mountaintop snow."
The fires have turned skies in parts of New Zealand sky orange, even though the country is around 1,200 miles away.
NASA said that the overall effects of this, such as whether the extra smoke ends up helping to heat or cool the earth, is "currently the subject of intense study."
In Australia, the smoke is creating dangerously low air quality levels. Parts of Melbourne reached hazardous levels this week, and people were urged to stay indoors.
The fires have far exceeded the size of the fires in the Amazon in 2019, which then prompted global outcry.
They have prompted calls for the resignation of Australian Prime Minister Scott Morrison, who has continued to support the country's coal industry.
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