All-Sky X-Ray Survey

An All-Sky X-Ray Survey Finds the Biggest Supernova Remnant Ever Seen

Our sky is missing supernovas. Stars live for millions or billions of years. But given the sheer number of stars…

10 months ago

NASA’s Rossi X-Ray Timing Explorer Retires

[/caption] For more than 16 years, 2,200 papers in refereed journals, 92 doctoral theses, and more than 1,000 rapid notifications…

10 years ago