2021 - April 22 - Planet Earth at Twilight
Channel: APOD Podcast
Date: 2021-04-22

In today's image, we see our Earth as see from the International Space Station. We can see the terminator which is the dividing line between night and day on the left side of the image. It is not sharp as Earth has an atmosphere which causes it to be fuzzier. 

This YouTube channel is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: https://apod.nasa.gov/apod/ap210422.html.

I also provide lecture videos to accompany the free OpenStax Astronomy textbook (https://openstax.org/details/books/astronomy/) on another channel. They are avilable here: https://www.youtube.com/playlist?list=PLZQxoLgRWwSogy2XRgaUjM5t6srdSle-d or through this channel: https://studio.youtube.com/channel/UCvryQCnfR2qEWueq-UaWKDw

Note: All commentary is created by me and is not necessarily approved or sanctioned by APOD or NASA.