photographic search for a planet beyond the orbit of Neptune

@article{RobertsphotographicSF,
  title={photographic search for a planet beyond the orbit of Neptune},
  author={Isaac Phillips Roberts},
  journal={Monthly Notices of the Royal Astronomical Society},
  volume={52},
  pages={501-502}
}
  • I. Roberts
  • Published 13 May 1892
  • Physics
  • Monthly Notices of the Royal Astronomical Society
1 Citations
W. H. Pickering's Planetary Predictions and the Discovery of Pluto
TLDR
His long and productive career in astronomy began in 1883 when he became associated with Harvard College Observatory, and for the next forty years he distinguished himself primarily by his pioneering investigations into the problems of astronomical "seeing" and by his studies of Mars, the other planets, and their satellites.