From NASA https://twitter.com/NASA on Twitter: Whats faster than material blasting away from the site of an exploded star? Answer: Not much. Astronomers have used our @ChandraXray Observatory data to record detonated star debris traveling faster than 20 million miles per hour: https://www.nasa.gov/mission_pages/chandra/images/keplers-supernova-remnant-debris-from-stellar-explosion-not-slowed-after-400-years.html?utm_source=TWITTER&utm_medium=NASA&utm_campaign=NASASocial&linkId=97621267 https://twitter.com/NASA/status/1296190964705431553/photo/1 https://chirp.cooleysekula.net/attachment/67119