2 天之前 · Extreme volcanic activity on Io. During a flyby of Jupiter’s moon Io on December 27, ... (composed of rock fragments spewed out by a volcano), small lava flows that may be fed by fissures, and ...

4 小时之前 · It's the most volcanically active world in the Solar System, with more than 400 active volcanoes. Juno has performed multiple flybys of Io, ... Scientists have unanswered questions about Io's extreme volcanic activity. They know tidal heating is the root cause, but they don't have a clear understanding of how the heat moves through Io's ...

2 天之前 · NASA’s Juno mission has captured the most powerful volcanic eruption ever recorded on Io, Jupiter’s highly active moon.Even by Io’s extreme standards—where more than 400 volcanoes ...

3 天之前 · During its extended mission, Juno’s trajectory passes by Io every other orbit, flying over the same part of the moon each time. Previously, the spacecraft made close flybys of Io in December 2023 and February 2024, getting within about 930 miles (1,500 kilometers) of its surface.The latest flyby took place on Dec. 27, 2024, bringing the spacecraft within about 46,200 miles (74,400 kilometers ...

2 天之前 · The world’s most active volcano is at it again after Hawaii’s Kilauea began its seventh episode of its ongoing eruption, with video showing lava shooting more than 100 feet into the air. ... Extreme Weather. Published January 28, 2025 8:25am EST Scientists warn of toxic gas, Pele's hair as Hawaii's Kilauea begins 7th eruptive episode

2024年12月24日 · An estimated 800 million people live within around 60 miles of an active volcano; a massive eruption could erase an entire city. Campi Flegrei, for example, has shown signs of stirring and sits...

From Vesuvius and the destruction of Pompeii in 79 AD, to the disruptive Eyjafjallajökull eruption of 2010 – Volcanoes are probably the most awe-inspiring but deadly natural disasters. There …

Volcanic eruptions have the power to destroy whole cities, alter global climate and devastate economies. They can produce rivers of molten lava, crushing mudflows, suffocating ash and toxic gases that wreak havoc across the globe for years after.

2023年9月3日 · In this exploration, we delve into the ten most powerful super volcanoes in Earth’s history, each marked by their colossal eruptions and enduring impact on our planet. From the ancient cataclysms of Toba and Yellowstone to the lesser-known yet significant volcanic behemoths, we journey through time to understand the awe-inspiring forces that ...

There are more than 1,500 potentially active volcanoes or volcanic areas around the world at any given time. They may be the world’s most dynamic landforms, given their ability to grow by accretion or shatter and collapse during an eruption.