File talk:EM Spectrum3-new.jpg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Can anyone explain to me how it is possible to detect the Cosmic Microwave Backgroundon the Earth's surface if--according to this chart--microwaves do not penetrate the atmosphere? — Preceding unsigned comment added by Jonathan144 (talk • contribs) 16:45, 28 January 2019 (UTC)[reply]