Sujet

Photograph of a Coelostat being used at the Cambridge University observatories

Légende

Photograph of a Coelostat being used at the Cambridge University observatories. A Coelostat is an instrument with a rotating mirror that continuously reflects the light from the same area of sky, used for monitoring the path of a celestial object. Dated 20th Century

Date

20e siècle

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP23A13_313

Licence

Droits gérés

Format disponible

60,0Mo (2,6Mo) / 33,0cm x 45,5cm / 3900 x 5377 (300dpi)

Mots clés

20th Century Photograph Photography Cambridge University Cambridge University University Observatories Coelostat Instrument astronomical Astronomer History of Astronomy Astrological Astronomy Mirror Sunlight Sun Sky Reflection Reflecting Celestial Rotation Rotating 20th Century