2022 June 26 - Light Echoes from V838 Mon

In today's image, we see light echoes as the light from a brightening many years ago illuminates dust around the variable star V838 Mon. 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/ap220626.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.