Public domain
Fermi Bubble Graphic
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
NASA image release November 9, 2010 To view a video about this story go to: <a href="http://www.flickr.com/photos/gsfc/5162413062">www.flickr.com/photos/gsfc/5162413062</a> From end to end, the newly discovered gamma-ray bubbles extend 50,000 light-years, or roughly half of the Milky Way's diameter, as shown in this illustration. Hints of the bubbles' edges were first observed in X-rays (blue) by ROSAT, a Germany-led mission operating in the 1990s.
NASA Image and Video Library’s own descriptionCredit lineFermi Bubble Graphic. NASA/GSFC, 2017-12-08. Public domain. ID: GSFC_20171208_Archive_e001988.