In today's image, we see an image of the lunar eclipse from November 19. In it, you can clearly see the circular shadow of the Earth as the Moon passes through it. This was one of the early proofs that the Earth was spherical known to the Ancient Greek philosophers.
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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.
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