Sun Series: What is Space Weather?

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From Earth, the Sun can seem steady and predictable. But when you look at our star close up, there’s a lot going on. Go behind the scenes with NASA’s Moon to Mars Space Weather Analysis Office, a team monitoring space weather—eruptions of radiation and plasma from the Sun that can wreak havoc on spacecraft and pose dangers to astronauts. We’ll also revisit the most powerful geomagnetic storm on record, an 1859 event that produced northern lights visible in the tropics and made electrical systems go haywire. This is episode four of the Sun and Eclipse series from NASA’s Curious Universe, an official NASA podcast.