![NASA Releases Beautiful Time-Lapses Of Supernovae Appearing 20 Years In 20 Seconds NASA Releases Beautiful Time-Lapses Of Supernovae Appearing 20 Years In 20 Seconds](https://assets.iflscience.com/assets/articleNo/73964/iImg/75839/ezgif.com-optimize%20(1).gif)
NASA Releases Beautiful Time-Lapses Of Supernovae Appearing 20 Years In 20 Seconds
NASA has launched two new motion pictures showcasing converting observations of 2 well known assets within the sky: Cassiopeia A and the Crab Nebula. Each headliners are the leftovers of big stars