In today's image, we see images showing how much water there is on Earth compared to its entire size. even though we often consider Earth to be a water planet, the amount of water here is far less than one might think.

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.

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