Space-Grown Vegetables, and the Ring That Shouldn t Exist

Astronauts ate some space-grown lettuce, and astronomers discovered a ring of galaxies that’s so big it defies the laws of physics. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn t make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://science.nasa.gov/science-news/science-at-nasa/2014/25apr_lettuce/ http://www.nasa.gov/mission_pages/station/research/news/meals_ready_to_eat http://www.nytimes.com/2015/08/11/science/growing-vegetables-in-space-nasa-astronauts-tweet-their-lunch.html http://www.engadget.com/2015/08/09/nasa-space-vegetables/ http://arstechnica.com/science/2015/08/tomorrow-nasa-astronauts-will-finally-eat-fresh-microgravity-grown-veggies/ http://www.theguardian.com/science/2015/aug/10/nasa-astronauts-lettuce-vegetables-grown-space http://www.space.com/30166-giant-galaxy-ring-should-not-exist.html http://mnras.oxfordjournals.org/content/452/3/2236.full.pdf http://www.ras.org.uk/news-and-press/2693-5-billion-light-years-across-the-largest-feature-in-the-universe