Air & Space Magazine X-Ray of an Evolution A planetary nebula inside a planetary nebula. Inset X-ray (NASA/CXC/IAA-CSIC/M.Guerrero et al); Inset Optical (NASA/STScI); Widefield X-ray (ESA/XMM-Newton); Widefield Optical (NSF/NOAO/KPNO) November 16, 2012 Get our newsletter! Get our newsletter! Matt Hale You Might Also Like Archaeologists Discover Site Where George Washington Stopped a Friendly Fire Incident by Blocking Muskets With His Sword July 18, 2025 Cut Marks on Animal Bones Suggest Neanderthal Groups Had Their Own Unique Culinary Traditions July 17, 2025 Man Arrested for Trying to Break the Glass Protecting the Stone of Destiny in Scotland July 17, 2025 Scientists Have Never Confirmed a Meteorite From Mercury. Could These Space Rocks From the Desert Be the First? July 17, 2025 Archaeologists Find 300-Year-Old Shipwreck in What Used to Be 'One of the Baddest Pirate Lairs on Earth' July 17, 2025 Get the latest stories in your inbox every weekday. Email Powered by Salesforce Marketing Cloud (Privacy Notice / Terms & Conditions)