2026-07-13
Auroras from Space
A fresh look at our universe: Auroras from Space. NASA's take:
Why this matters
Today's highlight centers on solar activity, the ISS. Understanding how these objects form and move is the bridge between a pretty photo and the live, data-driven sky we render on the globe.
See it live on ObjectTracer
This connects to what you can track in real time on our 3D globe — explore Solar System view · ISS live tracker. Or open the live globe to watch flights, satellites, the ISS and spacecraft move right now.
The science, from NASA's Astronomy Picture of the Day
What do auroras look like from above? Behold! From the ground, auroras dance high above clouds, frequently causing spectacular displays. From space, they look a bit different. As the International Space Station (ISS) circles the Earth every 90 minutes, it sometimes sees auroras below that are active on the night side. A one-hour time-lapse video showing auroras from above was captured about two weeks ago from the orbiting ISS. The ISS -- and all objects in low Earth orbit -- will pass well above green auroras but just a bit above red glowing auroras. The auroras' electron and proton streams are too thin to be a danger to the ISS, just as clouds pose little danger to airplanes. From orbit, as magnetic fields change, auroras can appear to squiggle and crawl like giant snakes. The featured one-minute video was captured by French astronaut Sophie Adenot of the ISS Expedition 74 crew. Sky Surprise: What picture did APOD feature on your birthday? (after 1995)
Source: NASA Astronomy Picture of the Day (public domain)
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