This is my dad in about 1933 with two telescopes he built. The long one is a 7" reflector he built for his Uncle Lee in 1927, while the one he holds is the first so-called "rich-field telescope ...
IFLScience on MSN4h
Euclid’s New Deep Fields Are A Precious Look Into The Dark UniverseWe are a step closer to understanding the mysteries of dark energy and dark matter. The European Space Agency’s Euclid ...
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