File:DarkMatterNASA1.jpg

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Summary

Diagram showing relative proportion of dark energy, dark matter, and normal matter now thought to exist in the universe.

NASA caption

The new Chandra observations include estimates of the total energy content of the Universe. As shown in this illustration, dark energy is estimated to contribute about 75% of the energy in the Universe, dark matter about 21% and normal matter about 4%. Only the normal matter can be directly detected with telescopes, and about 85% of this is hot, intergalactic gas, as detected in Chandra observations of galaxy clusters.

Credit

NASA/CXC/M.Weiss

Copyright status

This image is credit to NASA and the Chandra X-ray Observatory group at Harvard University. Per NASA policy and applicable United States federal law, this image is in the public domain and may be used for any educational purpose without further authorization.

Source

http://chandra.harvard.edu/photo/2004/darkenergy/pie.jpg

File history

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Date/TimeThumbnailDimensionsUserComment
current22:02, 2 March 2009Thumbnail for version as of 22:02, 2 March 20091,111 × 641 (67 KB)Ashcraft
14:15, 26 July 2008Thumbnail for version as of 14:15, 26 July 20081,536 × 1,037 (101 KB)TemlakosDiagram showing relative proportion of dark energy, dark matter, and normal matter now thought to exist in the universe. == NASA caption == The new Chandra observations include estimates of the total energy content of the Universe. As shown in this illus

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