2021 August 14 - Island Universe, Cosmic Sand
Channel: APOD Podcast
Date: 14/08/2021

In today's image, we see a number of objects at widely varying distances from us. The meteor is a small grain of material from comet Swift-Tuttle burning up in Earth's atmosphere. The Andromeda galaxy is a large object - as big as our own Milky Way galaxy, 2.5 million light years away. 

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/ap210814.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.