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Inspector SMILE Captures First UV Image of Auroral Substorm, Unlocking Sun-Earth Secrets
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Moneycontrol•30-09-2026, 14:16
Inspector SMILE Captures First UV Image of Auroral Substorm, Unlocking Sun-Earth Secrets
- •Europe's SMILE spacecraft, nicknamed "Inspector SMILE," has captured its first ultraviolet image of an auroral substorm, a significant step in studying Sun-Earth interaction.
- •The spacecraft's newly operational ultraviolet camera allows it to observe the aurora from space, making it the first since 2008 to capture the complete ring of northern lights around the North Pole in UV light.
- •This capability provides scientists with a unique opportunity to study the entire auroral oval, a broad ring of glowing particles around Earth's magnetic poles, and track energy movement in Earth's near-space environment.
- •The first UV observation shows an auroral substorm, a sudden change in the aurora caused by energy release and redistribution in Earth's magnetosphere, leading to rapid brightening and expansion.
- •SMILE's mission aims to monitor large-scale changes in the auroral oval, offering a wider picture of how solar wind affects Earth's magnetic shield and marking the beginning of new scientific observations.
Key Questions Answered
Nicknamed Inspector SMILE, the European Space Agency spacecraft is designed to investigate how the solar wind interacts with Earth's magnetic environment and to study the relationship between the Sun and Earth.
Inspector SMILE is the first spacecraft since 2008 capable of capturing the complete ring of northern lights around the North Pole in ultraviolet light, allowing scientists to observe the entire auroral oval.
The spacecraft's first UV observation captured an auroral substorm, which is a sudden change in the aurora caused by the release and redistribution of energy stored in Earth's magnetosphere.
