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NASA Releases the Long-Awaited Video of Kepler's Supernova Remnant

The 25-year X-ray timelapse reveals expansion speeds from 4 to 13.8 million mph and informs models of Type Ia supernovae used to measure cosmic expansion.

Summary by Universe Today
A new video shows the evolution of Kepler’s Supernova Remnant using data from NASA’s Chandra X-ray Observatory captured over more than two and a half decades.

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NASA (Source) broke the news in Washington, United States on Tuesday, January 6, 2026.
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