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Reblogged by cstanhope@social.coop ("Charles Stanhope"):
sohkamyung@mstdn.io ("Soh Kam Yung") wrote:
Fascinating. Evidence for an exoplanet detection in 1917. Article from 2017.
"Carnegie Observatories hosts 250,000 photographic plates taken at Mount Wilson, Palomar and Las Campanas observatories, spanning more than 100 years. [...] [T]hese technological marvels were ahead of their time -- in one case, capturing signs of distant worlds that wouldn't be recognized for a century."
https://www.nasa.gov/feature/jpl/overlooked-treasure-the-first-evidence-of-exoplanets