Science & Environment

How space weather powers auroras in the sky and threatens power grids on the ground

Source: Phys.org - latest science and technology news stories · Published

How space weather powers auroras in the sky and threatens power grids on the ground
Source: Phys.org - latest science and technology news stories

An aurora is one of nature's most spectacular light shows: It looks like green or red curtains rippling across the night sky. When viewed from the ground, this colorful display might seem far away and disconnected from anything happening on Earth's surface.

An aurora is one of nature's most spectacular light shows: It looks like green or red curtains rippling across the night sky. When viewed from the ground, this colorful display might seem far away and disconnected from anything happening on Earth's surface.

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Earth's churning mantle may have created the Great Unconformity
Technology & AI

Earth's churning mantle may have created the Great Unconformity

In the Grand Canyon, there is a line in the rock where time seems to have gone missing. Ancient crystalline rocks mark its bottom, while sandstones laid down as life started to diversify during the Cambrian explosion mark the top. “It’s called the Great Unconformity, and it’s a g

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