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Astronomers have found the oldest visible planetary nebula (PN) inside a 500-million-year-old galactic open cluster (OC). The rare celestial jewel has been discovered inside a cluster called M37 and is believed to be of high astrophysical value. Planetary nebulas (PNe) are glowing shrouds ejected from dying stars that shine with distinct colours and shapes offering
U.S. intelligence warns that Russia is planning to launch fresh attacks ahead of Ukraine’s Independence Day on Wednesday. Security and Defence Analyst Professor Michael Clarke gives an analysis of the current troop movement from the north of Ukraine towards the south-west. #SkyNews #Ukraine #Russia SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us