In the Dark

Episode 4, in which I show that spiral galaxies are very grubby – they contain huge amounts of dust. And not only galaxies – astronomical dust is everywhere we look. The Universe may be big, but it sure is dirty..

This entry was posted on May 19, 2020 at 2:01 pm and is filed under The Universe and Stuff, YouTube with tags astronomy, dust, galaxies, M31, M64. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.