Astronomers of To-day and Their WorkGall & Inglis, 1905 - 261 pages |
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appointed asteroids atmosphere attention Bélopolsky binary stars bright lines brilliant Burnham canals catalogue celestial comet commenced conclusion confirmed Copeland corona Cygni dark David Gill detected devoted discovered discovery distance double stars Dunér Earth evolution existence Flammarion Galaxy Gold Medal Gore Harvard heavens hypothesis investigations Janssen Jupiter Lick Observatory light Lowell magnitude Mars mathematical Maunder measured meteors Milky Miss Clerke Moon nebula orbit Orion Otto Struve parallax photographs planet planetary position Professor Barnard Professor Campbell Professor Hall Professor Kapteyn Professor Lockyer Professor Newcomb Professor Pickering Professor Schiaparelli Professor Seeliger Professor Tacchini Professor Vogel Professor Young proved published Pulkowa refractor remarkable researches revolving round Royal Astronomical Society satellite Scheiner Secchi Signor Simon Newcomb Sir Robert Ball Sir William Huggins solar eclipse solar prominences Solar System spectra spectroscopic spectrum spot stellar sun-spots telescope theory total solar eclipse transit of Venus Universe variable stars velocity visible William Huggins