Directory > Science > Astronomy > History > Solar System Is Mars Habitable? A. R. Wallace's 1907 critique of Lowell's Book "Mars and Its Canals" http://www.wku.edu/~smithch/wallace/S730.htm Reviews Rating: Not yet Rated
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Neptune's Discovery Article in Astronomy Magazine. http://www.astronomy.com/Content/Dynamic/Articles/000/000/000/119ipise.asp Reviews Rating: Not yet Rated
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Notes on Sunspot Observations John Winthrop's 1739 notes, from the collected papers of Fredrick Kilgour. http://www.oclc.org/pdemo/kg/p012.htm Reviews Rating: Not yet Rated
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Solar System Astronomy A timeline. http://www.gsu.edu/other/timeline/planets.html Reviews Rating: Not yet Rated
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Solar Astronomy A timeline. http://www.gsu.edu/other/timeline/solar.html Reviews Rating: Not yet Rated
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Exploring The Planets-Discovery The five known in antiquity, three more since the telescope, and Ceres. http://www.nasm.si.edu/ceps/etp/discovery/etpdiscovery.html Reviews Rating: Not yet Rated
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Exploring the Moon Timeline of Lunar exploration. http://www.space.edu/moon/ Reviews Rating: Not yet Rated
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The Struggles to Find the Ninth Planet A paper by Clyde Tombaugh relating his discovery of Pluto. http://www.jpl.nasa.gov/ice_fire//9thplant.htm Reviews Rating: Not yet Rated
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The Planet Mars: A History of Observation and Discovery On-line version of the book by William Sheehan. http://www.uapress.arizona.edu/online.bks/mars/contents.htm Reviews Rating: Not yet Rated
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Orbits and Gravitation The development of the mathematics of planetary motion. http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Orbits.html Reviews Rating: Not yet Rated
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Neptune and Pluto Mathematical discovery of planets http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Neptune_and_Pluto.html Reviews Rating: Not yet Rated
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Asteroid Discovery Circumstances For each minor planet: Where and when found, and by whom. http://ssd.jpl.nasa.gov/dc_home.html Reviews Rating: Not yet Rated
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