Zoom into Cassiopeia A | James Webb Space Telescope FriendsofNASA.org: This video takes the viewer on a journey to Cassiopeia A (Cas A), a supernova remnant located about 11,000 light-years from Earth in the constellation Cassiopeia. It spans approximately 10 light-years. This new image uses data from Webb’s Mid-InfraRed Instrument (MIRI) to reveal Cas A in a new light. On the remnant’s exterior, particularly at the top and left, lie curtains of material appearing orange and red that are due to

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