https://xcdr.tv/videos/watch/758fc798-91c2-499a-81e9-d2b4190100e5 June 21, 2026, is the longest day of the year in the Northern Hemisphere, a.k.a. the summer solstice! ☀️ The extra sunlight has got us smiling, but the Sun owes its grin to something else: coronal holes! 🕳️ Coronal holes are cooler, lower density parts of the solar atmosphere where solar material escapes to space at incredible speeds. Dive into coronal holes with us in this episode of NASA’s Illuminate.👇 NASA’s Illuminate: Out-of-this-world images shining light on our Sun and solar system. #NASAsIlluminate #NASA #sun #space #science Music credit: "Hectic Motion" by Koka Media [SACEM] from Universal Production Music Credit: NASA's Goddard Space Flight Center Producer/Editor/Narrator: Joy Ng (eMITS) Writer: Joy Ng (eMITS) This video can be freely shared and downloaded at https://svs.gsfc.nasa.gov/14954. While the video in its entirety can be shared without permission, the music and some individual imagery may have been obtained through permission and may not be excised or remixed in other products. Specific details on such imagery may be found here: https://svs.gsfc.nasa.gov/14954. For more information on NASA’s media guidelines, visit https://www.nasa.gov/nasa-brand-center/ If you liked this video, subscribe to the NASA Goddard YouTube channel: https://www.youtube.com/NASAGoddard Follow NASA’s Goddard Space Flight Center · Instagram: https://www.instagram.com/nasagoddard · X: http://www.x.com/NASAGoddard · Facebook: https://www.facebook.com/NASAGoddard/ · Flickr: http://www.flickr.com/photos/gsfc Sun, 21 Jun 2026 13:28:34 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://xcdr.tv https://xcdr.tv/lazy-static/avatars/d7ff3488-9036-438f-95d1-547afee4fcf4.png https://xcdr.tv/videos/watch/758fc798-91c2-499a-81e9-d2b4190100e5 All rights reserved, unless otherwise specified in the terms specified at https://xcdr.tv/about and potential licenses granted by each content's rightholder.