2026 February 06 - Supernova Remnant Cassiopeia A скачать в хорошем качестве

2026 February 06 - Supernova Remnant Cassiopeia A

In today's image, we see the supernova remnant Cassiopeia A. This would have been seen to explode back in the mid-late 1600s but was never definitively observed - perhaps because of excess dust in the region. 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/ap260206.html. I also provide lecture videos to accompany the free OpenStax Astronomy textbook (https://openstax.org/details/books/as...) on another channel. They are avilable here:    • OpenStax Video Lectures   or through this channel:    / @introductiontoastronomy   Note: All commentary is created by me and is not necessarily approved or sanctioned by APOD or NASA.