alb3161275

Astronomers Measure Star Heat

Pasadena, California: c. 1926 Astronomers Edison Pettiy, (L) and Seth Barnes Nicholson of the Mt. Wilson Observatory have made the first systematic infrared observations of celestial objects using a thermocouple and a galvanometer. NIcholson is observing the thermocouple while Pettit watches the galvanometer.
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Titel:
Astronomers Measure Star Heat
Pasadena, California: c. 1926 Astronomers Edison Pettiy, (L) and Seth Barnes Nicholson of the Mt. Wilson Observatory have made the first systematic infrared observations of celestial objects using a thermocouple and a galvanometer. NIcholson is observing the thermocouple while Pettit watches the galvanometer.
Bildnachweis:
Album / Universal Images Group / Underwood Archives/UIG
Freigaben (Releases):
Model: Nein - Eigentum: Nein
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Bildgröße:
4800 x 3858 px | 53.0 MB
Druckgröße:
40.6 x 32.7 cm | 16.0 x 12.9 in (300 dpi)