Head to shopify.com/scishow to learn more and for a 14-day free trial. Thanks to Shopify, an ecommerce platform that helps you start, grow, and manage your business, for supporting SciShow. The James Webb Space Telescope released its first official batch of photos to the public, but they weren't the first images the telescope captured since they had taken a bunch while testing the cameras. Let's talk about some of those testing images and how they helped astronomers ensure JWST could deliver on its promise to "unfold the universe". Hosted by: Hank Green SciShow is on TikTok! Check us out at www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: scishow-tangents.simplecast.com/ Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Instagram: instagram.com/thescishow #SciShow ---------- Sources: www.stsci.edu/files/live/sites/www/files/home/jwst/documentation/_documents/jwst-science-performance-report.pdf twitter.com/AndrasGaspar/status/1547687949617074177 github.com/merope82/JWIms blogs.nasa.gov/webb/2022/07/14/webb-images-of-jupiter-and-more-now-available-in-commissioning-data/ webb.nasa.gov/content/webbLaunch/assets/documents/WebbMediaKit.pdf Images: webbtelescope.org/contents/media/images/2022/035/01G7DCWB7137MYJ05CSH1Q5Z1Z webbtelescope.org/contents/media/images/2022/031/01G77PKB8NKR7S8Z6HBXMYATGJ webbtelescope.org/contents/media/images/2022/033/01G70BGTSYBHS69T7K3N3ASSEB svs.gsfc.nasa.gov/13536 svs.gsfc.nasa.gov/13553#29025 www.researchgate.net/figure/The-Afterimage-Test-The-figure-illustrates-the-nature-of-an-afterimage-with-a-person_fig1_330316450 commons.wikimedia.org/wiki/File:NGC_3147_-_HST.png github.com/merope82/JWIms commons.wikimedia.org/wiki/File:Catseye-big.jpg www.nasa.gov/mission_pages/chandra/multimedia/planetary_nebula.html svs.gsfc.nasa.gov/14111 www.gettyimages.com/detail/video/asteroid-flies-in-space-stock-footage/613149514?adppopup=true blogs.nasa.gov/webb/2022/07/14/webb-images-of-jupiter-and-more-now-available-in-commissioning-data/ webbtelescope.org/contents/media/images/2022/034/01G7DA5ADA2WDSK1JJPQ0PTG4A www.gettyimages.com/detail/video/road-trip-driving-on-death-valley-national-park-road-stock-footage/1214863228?adppopup=true science.nasa.gov/jupiter-and-ring-infrared-webb