Topic: ions

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Saturn’s rings are disappearing

Saturn's rings are disappearing quickly, though 'quickly' is a relative term. With help from decades-old data from Voyager 1 & 2, NASA scientists have determined that Saturn will lose its iconic rings in less than a f...

Airglow & the secrets behind Earth’s colorful ionosphere

What does our planet look like from space? Most are familiar with the beloved images of the blue marble or pale blue dot -- Earth from 18,000 and 3.7 billion miles away, respectively. But closer to home, within the ne...

Understanding the Magnetic Sun – NASA Goddard

This dynamic computer model of our sun reveals the behavior of its invisible magnetic structure. The pink and green indicate open magnetic field lines that reach out into space, while the "closed" white lines loop bac...

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