2023 April 15 - When Z is for Mars
Channel: APOD Podcast
Date: 2023-04-15

In today's image, we see images of Mars as it was going through its retrograde motion in 2022-2023. This motion occurs when Earth overtakes Mars in its orbit and passes it, making Mars appear briefly to move backwards through the sky.

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/ap230415.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=PLMahwAGxKuWldeQ_qaIj8c0i7qbfyfLj4 or through this channel: https://www.youtube.com/channel/UCLXFGlTeF86MsI1HqBcuqKQ

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