George edited subsectionAims__To_u.tex  about 8 years ago

Commit id: 8c753d731907de6daf68cbf10c6aaefab6a03d81

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photos of this telescope are displayed in the lab.  Galaxies are attracted toward one another due to the force of gravity,   so most galaxies in the Universe tend to be live  near other galaxies, existing galaxies  in clumps called groups or clusters.  Our own galaxy, the Milky Way, lives in  a rather insignificant cluster we call the Local Group. This cluster