2026 May 04 - Superplumes Inside Earth

from NASA’s Astronomy Picture of the Day · host Robert M Wagner

In today's image, we see what are known as superplumes inside Earth, detected by the motions of earthquake waves through Earth's interior. The exact cause of these superplumes is still debated. My podcasts are available in video form through this YouTube Channel.This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the photo corresponding to the date of this podcast.I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] work is licensed under a Creative Commons Attribution 4.0 International License.

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This episode was published on May 4, 2026.

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