Most normal matter in the universe isn’t found in planets, stars or galaxies – an astronomer explains where it’s distributed
An illustration of concentrated dark matter at the heart of a spiral galaxy (Image credit: Robert Lea (created with Canva)) This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights . If you look across space with a telescope, you’ll see countless galaxies, most ofContinue Reading











