Phil Plait
thebadastronomer
Hubble view of M54
M54 is a globular cluster that's actually located in the core of another galaxy!
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Uploaded on March 23, 2012
Hubble view of M54
M54 is a globular cluster that's actually located in the core of another galaxy!
1,391
views
0
faves
1
comment
Uploaded on March 23, 2012