2021 January 18 - The Medulla Nebula Supernova Remnant
Channel: APOD Podcast
Date: 2021-01-18

In today's image, we see a supernova remnant - this is an example of what is left over when a massive star explodes, expelling material out into space. The is how many heavier elements (those other than hydrogen and helium) are returned to space to form future generations of planets and stars. 

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/ap210118.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.