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Global Warming Threatens Antarctic Meteorites: Study Predicts Loss of Up to 76% of Precious Space Rocks

The impact of global warming on Antarctica’s meteorites

Global Warming Threatens Antarctic Meteorites: Study Predicts Loss of Up to 76% of Precious Space Rocks

Scientists have discovered that global warming poses a significant threat to the meteorites found in Antarctica. A new study predicts that nearly three-quarters of these precious space rocks could disappear from the ice sheet surface by the end of the century. The research, published in Nature Climate Change, used a machine-learning algorithm to assess how Antarctic meteorites will be affected by changing climate conditions.

The dark surfaces of meteorites are sensitive to temperature changes, causing them to sink when exposed to sunlight due to melting ice beneath them. These rocks are typically found in “blue ice” areas, where wind uncovers older ice that appears blue against the continent’s white backdrop. Due to their location on the Earth’s poles, Antarctic meteorites provide valuable insights into our solar system’s development and geologic history.

According to the study, under all emissions scenarios, at least 5,000 meteorites will vanish from the surface each year. With every tenth of a degree increase in temperature between 5,100 and 12,200 meteorites could be lost. Under a high-emissions scenario, 76 percent of the areas currently covered by meteorites may disappear entirely.

Researchers emphasize the urgent need to collect as many Antarctic meteorites as possible before they become inaccessible due to melting glaciers caused by global warming. Losing these samples would be devastating for space scientists as they provide crucial information about stars, planetary formation, and Earth’s geologic history dating back billions of years. Glaciologist Harry Zekollari led this research at ETH Zurich’s department of civil, environmental and geomatic engineering stated that preserving these meteorites is critical as losing them is equivalent to losing data obtained from rapidly melting glaciers; once these samples are gone forever so are some of universe’s secrets.

In conclusion, scientists urge accelerating efforts to recover Antarctic meteorites before it is too late. These stones hold vital scientific information necessary for future studies and understanding of our solar system and its evolution over time.

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