NGC 1277 Globular Clusters Comparison

NGC 1277 Globular Clusters Comparison

About this video

This is a blink comparison that plots the location of the red stars and blue stars that dominate the globular clusters in galaxies NGC 1277 and NGC 1278. It shows that NGC 1277 is dominated by ancient red globular clusters. This is evidence that galaxy NGC 1277 stopped making new stars many billions of years ago, compared to NGC 1278, which has more young blue star clusters.

Galaxies, Globular Clusters, Hubble Telescope, Star Clusters, Stars


NASA, ESA, and Z. Levay (STScI)

Publication: March 12, 2018

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