
NASA @NASA
🔭 @NASAHubble is seeing double! Peering back 10 billion years into the universe's past, astronomers found a pair of quasars that are so close to each other they look like a single object in ground-based telescopic photos, but not in Hubble’s view: https://t.co/LeZbIBtIAt https://t.co/1AEfCoKJ8s — PolitiTweet.org