... 2000 November 10: X-Ray Cygnus A . 2000 November 09: The Cosmic X-RayBackground . 2000 November 08: October Skylights . ... 2000 January 14: Chandra Resolves the Hard X-RayBackground . 2000 January 13: A Skygazers Full Moon . ...
... In the case of this quasar , the jet tilted towards us is visible in x-rays as the particles collide with low energy photons from the cosmic background radiation. ...
... The data are combined here, along with a sky survey image of background stars, to show optical and ultraviolet light in green-blue hues and x-rays from the comet in red. ...
... might first appear to be moonlit clouds, they only add light to the sky, and hence can not block background stars from view ... If viewed from space, aurora glow in X-ray light as well as in the visible! ...
... Representing even more mass than the optical galaxies and x-ray gas combined, the blue hues show the distribution of dark ... invisible to telescopic views, the dark matter was mapped by observations of gravitational lensing of background galaxies ...
... Representing even more mass than the optical galaxies and x-ray gas combined, the blue hues show the distribution of dark ... invisible to telescopic views, the dark matter was mapped by observations of gravitational lensing of background galaxies ...
... Image Credit: X-ray - NASA / CXC / J. Irwin et al. ; Optical - NASA/STScI . ... seen through the looking glass of X-ray and optical image data from the Chandra and ...
... situation seems to be reversed in the extreme ultraviolet panel with a bright active region seen against a darker background ... Finally, the x-ray panel reveals majestic loops of glowing plasma arcing far above the sunspot group. ...