George Abell looks at the significance of a photograph of the Andromeda Nebula made by Edwin Hubble in 1923.
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Duration: 00:02:28
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Footage description: George Abell talking to camera holding a photographic negative plate; Abell places the plate on a light box and looks at it through a magnifying glass; close up of the negative showing annotations by Hubble; Abell talks to camera.
Master programe code and title: S354/13 Measuring shadows : the universe today
Master programme production number: FOUS074P
Available to public: yes