File:Bullet Cluster with gravitational potential in MOND.png

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Bullet cluster

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Author	Chandra X-ray Observatory Center
Image title	This composite image shows the galaxy cluster 1E 0657-56, also known as the"bullet cluster", formed after the collision of two large clusters ofgalaxies. Hot gas detected by Chandra is seen as two pink clumps in theimage and contains most of the "normal" matter in the two clusters. Anoptical image from Magellan and the Hubble Space Telescope shows galaxiesin orange and white. The blue clumps show where most of the mass in theclusters is found, using a technique known as gravitational lensing. Mostof the matter in the clusters (blue) is clearly separate from the normalmatter (pink), giving direct evidence that nearly all of the matter in theclusters is dark. This result cannot be explained by modifying the laws ofgravity.
Date and time of data generation	21 August 2006
Unique ID of original document	uuid:87DE70DC1F1111DB8B6E82BFE23B11D8
Credit/Provider	X-ray: NASA/CXC/CfA/M.Markevitch et al.; Optical: NASA/STScI; Magellan/U.Arizona/D.Clowe et al.; Lensing Map: NASA/STScI; ESO WFI; Magellan/U.Arizona/D.Clowe et al.
Headline	Two large galaxy clusters about 4 billion light years from Earth.
Source	Chandra X-ray Observatory
Date and time of digitizing	10:50, 27 July 2006
Software used	GIMP 2.10
Keywords	1E 0657-56
Short title	NASA Finds Direct Proof of Dark Matter
Contact information	cxcpub@cfa.harvard.edu http://chandra.harvard.edu 60 Garden St. Cambridge, MA, 02138 USA 617.496.7941
Usage terms	http://chandra.harvard.edu/photo/image_use.html
Horizontal resolution	28.35 dpc
Vertical resolution	28.35 dpc
File change date and time	19:54, 5 March 2025
PNG file comment	This composite image shows the galaxy cluster 1E 0657-56, also known as the "bullet cluster", formed after the collision of two large clusters of galaxies. Hot gas detected by Chandra is seen as two pink clumps in the image and contains most of the "normal" matter in the two clusters. An optical image from Magellan and the Hubble Space Telescope shows galaxies in orange and white. The blue clumps show where most of the mass in the clusters is found, using a technique known as gravitational lensing. Most of the matter in the clusters (blue) is clearly separate from the normal matter (pink), giving direct evidence that nearly all of the matter in the clusters is dark. This result cannot be explained by modifying the laws of gravity.