Open AccessFive Things Spy Satellites Have Taught Us About Earth
Author(s) -
Jenessa Duncombe
Publication year - 2020
Publication title -
eos
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2020eo146621
Subject(s) - earth (classical element) , astrobiology , remote sensing , geology , astronomy , physics
Long before we had satellites beaming terabytes of data back to Earth, we had covert spacecraft the size of school buses snapping photos on rolls of film 50 kilometers long.