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Nebula seen from Washington Naval Observatory, Washington D.C., ca.1920
Nebula/DSCR1 upregulation preserves axonal transport and memory function in a Drosophila model for Alzheimer's disease
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Hand signal in style of art, North Hollywood, ca. 1989
Astronomy, USA, 1940
A "close-up" of the central region of the spiral galaxy Messier 33, 1954
Astronomy -- Mount Wilson and Palomar Observatories, 1959
Interior view of the observatory that houses the 60-inch reflecting telescope at Mount Wilson Observatory, ca.1930
Astronomy, USA, 1940
Astronomy, USA, 1940
Astronomy, USA, 1940
Astronomy, USA, 1940
Astronomy, USA, 1940
Astronomy, USA, 1940
Astronomy, USA, 1940
Astronomy, USA, 1940
A "close-up" of the central region of the spiral galaxy Messier 33, 1954 (verso)
A "close-up" of the central region of the spiral galaxy Messier 33, 1954
Astronomy -- Mount Wilson and Palomar Observatories, 1959
Astronomy -- Mount Wilson and Palomar Observatories, 1959
Astronomy -- Mount Wilson and Palomar Observatories, 1959
A guide to co-curricular astronomy: A teacher-student handbook
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A resource provisioning system for scientific workflow applications
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etd-WongJaco-4-collective
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Science experiments correlated to the social studies' units for the seventh grade, Washington School, San Gabriel
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