xkcd feeds.twtxt.net Tue, May 23 22:00 2023 (1y ago) Physical Quantities The Hubble length is about 1.9 meters lying down; Edwin Hubble was a tall guy. DownloadThe Hubble length is about 1.9 meters lying down; Edwin Hubble was a tall guy. ⌘ Read more ⤋ Read More Yarn
