2021 December 19 - Planetary Alignment over Italy
Channel: APOD Podcast
Date: 2021-12-19

In today's image, we see an alignment of four planets and our Moon in the sky. The planets will line up like this because the solar system is essentially flat and the planets all orbit in the same plane. 

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/ap211219.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.