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Elliptical Galaxy Gallery Animations
Click for low-resolution animation
Gallery of X-ray and Optical Images of Elliptical Galaxies
Quicktime MPEG
A sample from the new Chandra study shows how the X-ray emission (blue and white) is much different from the optical images, thus revealing unsuspected turmoil in these old, elliptical galaxies. Astronomers believe that massive clouds of hot gas in these galaxies have been stirred up by intermittent explosive activity from centrally located supermassive black holes.
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(Credit: X-ray: NASA/CXC/U. Ohio/T.Statler & S.Diehl; Optical: DSS TRT:)

Return to Elliptical Galaxy Gallery (10 Jan 06)