The First Exoplanet Claim: Captain William S Jacob

In 1855, Captain William Stephen Jacob authored a paper in the Monthly Notices of the Royal Astronomical Society claiming that a planet likely existed in the binary star system 70 Ophiuchi. Although his claim ended being wrong, it's pretty remarkable that someone was even thinking about doing this with scientific methods at the time! Here we get into Jacob's claim, what went wrong, and what legacy this has left us with.

::More about this Video::

► Captain William S Jacob, "On Certain Anomalies Presented by the Binary Star 70 Ophiuchi": adsabs.harvard.edu/abs/1855MNRAS..15..228J
► Information compiled about Captain William Stephen Jacob and family by his living descendant, Kenneth Jacob: www.myjacobfamily.com/favershamjacobs/williamsteph…
► Thomas See, "Researches on the orbit of 70 Ophiuchi, and on a periodic perturbation in the motion of the system arising from the action of an unseen body": adsabs.harvard.edu/abs/1896AJ.....16...17S
► Forest Ray Moulton, "The limits of temporary stability of satellite motion, with an application to the question of the existence of an unseen body in the binary system 70 Ophiuchi": adsabs.harvard.edu/abs/1899AJ.....20...33M
► Outro music by Taylor Davis:    • The Avengers Theme - Violins Cover - ...  

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