The geometry of MACS J0717

This diagram shows Hubble’s image of MACS J0717 overlaid with the location of the cluster and filament’s mass (in blue), and with a schematic of the cluster and filament (in white). Below, the diagram shows the geometry from our perspective in which the filament lies almost directly along our line of sight, and from a different perspective in which the filament is seen side-on. This shows how the filament appears greatly foreshortened from our perspective.

Credit:

NASA, ESA, Harald Ebeling (University of Hawaii), Karen Teramura (University of Hawaii)

About the Image

Id:heic1215c
Type:Collage
Release date:16 October 2012, 15:00
Related releases:heic1215
Size:2287 x 1718 px

About the Object

Name:MACS J0717.5+3745
Type:Early Universe : Galaxy : Grouping : Cluster
Category:Cosmology
Galaxies

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