Purple Haze Aurora: Why Earth Glowed Green, Red and Purple From the ISS
An astronaut photographed a vivid green-and-purple aurora from the ISS on September 7, 2026. Here is what creates the colors and why equinox season matters.
Browse simple, structured explanations designed to help readers understand the sky one idea at a time.
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An astronaut photographed a vivid green-and-purple aurora from the ISS on September 7, 2026. Here is what creates the colors and why equinox season matters.
Learn how to use NASA images responsibly, credit astronomy sources, write descriptive image alt text, and follow Google's people-first SEO best practices.
2 articles
Hubble’s new view of NGC 4698 reveals a Virgo Cluster spiral whose central stars and gas rotate at right angles to its main disk, hinting at a complex past.
NASA and JAXA’s XRISM mission directly traced hot plasma falling toward pulsar GX 301-2 in the BP Crucis system, revealing how a neutron star feeds during powerful X-ray flares.
