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Astronomers Measure Star Heat, Pasadena, California, c.1926 (b/w photo)

IMAGE number
UIG1581880
Image title
Astronomers Measure Star Heat, Pasadena, California, c.1926 (b/w photo)
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Date
1926 AD (C20th AD)
Image description

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.

Photo credit
Underwood Archives/UIG / Bridgeman Images
Image keywords
1920s / 20th century / astronomy / 2 people / science / discovery / men / looking through an object / research / astronomical observatory / california / people / infrared observations / historical / spectacles / mount wilson observatory / concentration / indoors / thermocouple / photography / astronomers / watching / astronomy / vintage / black and white / two people / galvanometer / scientists / observing / 1926 / pasadena / edison pettit / usa / horizontal / seth barnes nicholson

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Largest available format 4800 × 3858 px 9 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
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