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7 小时之前 · In 2020, as human activity came to a standstill, something remarkable happened. Cities fell silent, roads emptied, and industries slowed. While people stayed indoors, Earth’s vegetation took center stage. A recent study revealed that 2020 was the greenest year recorded by modern satellite ...

Today's Image of the Day from NASA Earth Observatory features Ksudach, a remarkable volcanic complex located on Russia's Kamchatka Peninsula. “The peninsula is one of the world’s most active volcanic arcs due to tectonic plate movement, with the Pacific Plate subducting under the Eurasian Plate,” noted NASA.

1 天前 · Throughout history, Earth has faced cataclysmic events that reshaped its climate and ecosystems. Some of these events were triggered by asteroid impacts, leaving long-lasting effects on both land and sea. Scientists continue to study these possibilities, not just to understand past extinctions but ...

2024年11月21日 · Over the past few weeks, you’ve probably heard somewhere that Earth was going to get a second moon. Well, we can now confirm that Earth now officially has two moons after capturing asteroid 2024 PT5.

2025年1月24日 · Scientists have discovered two continent-sized regions hidden deep within Earth’s mantle, referred to in a recent study as “islands.” Research from Utrecht University reveals that these regions are not only hotter than their surroundings, but are also ancient, dating back at least half a billion years or longer.. The findings challenge …

2025年1月11日 · The ocean, which covers 70% of Earth’s surface, is reaching unprecedented high temperatures – not just at the surface but throughout the upper 2,000 meters (6,561 feet). A new study led by Lijing Cheng, a professor in the Institute of Atmospheric Physics at the Chinese Academy of Sciences ...

1 天前 · “We used to think the energy detected from the vast majority of seismic events was stuck traveling within the Martian crust,” said InSight team member Constantinos Charalambous of Imperial College London. “This finding shows a deeper, faster path – call it a seismic highway – through the mantle, allowing quakes to reach more distant regions of the planet.”

2025年1月27日 · Geologists have long viewed North America and Europe as separate continents, yet new studies suggest there might be more complexity beneath the surface of Earth’s oceans. Ongoing research has revealed hints of buried land that stretches from Greenland through Iceland to the Faroe Islands. At the ...

2025年1月12日 · From the shifting sands of the Saharan desert to the cracking glaciers in the chilly Antarctic, our Earth is constantly transforming right beneath our feet. The upcoming U.S.-India NISAR (NASA-ISRO Synthetic Aperture Radar) mission is about to take us a step closer to understanding this ceaseless ...