3.9K views · 187 reactions | Actual video of supernova remnant took over 2 decades to make! #space #supernova #astronomy #astrophysics | The Planetary Society | Facebook

Zooming into Supernova Remnant Cassiopeia A | James Webb Space Telescope FriendsofNASA.org: This zoom-in video shows the relative location of supernova remnant Cassiopeia A (Cas A) in the sky. It begins with a ground-based photo by the late astrophotographer Akira Fujii. As it zooms into smaller portions of the sky, it fades into an image from the Digital Sky Survey. It ends by crossfading into an image of Cas A from NIRCam (Near-Infrared Camera) on NASA’s James Webb Space Telescope, with added