Astronomer Charles Greeley Abbot (1872-1973) taking a measurement using a pyroheliometer, an instrument solar irradiance directly from the Sun. Abbot also served as the Secretary of Smithsonian Institution from 1928 to 1944.

px px dpi = cm x cm = MB
Details

Creative#:

TOP27868728

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

N/A

Property Release:

N/A

Right to Privacy:

No

Same folder images:

Same folder images

Restriction:

Editorial use only