Why we need to see the sun's poles to protect our tech
In short: Space weather can cripple our satellites and electronics, yet our understanding of it was long limited to a narrow slice of the solar system. This video explains how the Ulysses spacecraft broke that boundary to provide a global view of the heliosphere.
Before 1990, space weather data was primarily gathered from the plane extending from the sun's equator. The Ulysses spacecraft, launched from the Space Shuttle Discovery, changed this by orbiting above and below the sun's poles. This leap allowed scientists to move beyond a limited sampling area to observe the global heliosphere.
The mission is critical for safeguarding modern technology against the solar wind—a force of magnetically charged particles that can disrupt communications and personal electronics. While Ulysses has recently recorded the lowest solar wind levels seen in 50 years, scientists caution that because the sun operates on timescales longer than the Space Age, we have only glimpsed the surface of its true behavior.
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Sources
- Summary by Intellect · source: NASA Mission Update: ULYSSES
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