Jan Oort

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41	PDF Document Add to Reading List Source URL: www.lpi.usra.edu Language: English - Date: 2005-03-02 16:33:16 Comets Oort cloud Kuiper belt Scattered disc Centaur Damocloid asteroid Galactic tide Jan Oort Asteroid belt Solar System Astronomy Planetary science
42	PDF Document Add to Reading List Source URL: www.astron.nl Language: English - Date: 2008-01-11 07:12:30 Galactic astronomy Celestial coordinate system Orientation Local Group Jan Oort Hydrogen line Milky Way Gart Westerhout Jacobus Kapteyn Astronomy Space Milky Way Galaxy
43	PDF Document Add to Reading List Source URL: oralhistories.library.caltech.edu Language: English Maarten Schmidt Norwegian Academy of Science and Letters astronomers Quasar Halton Arp Jan Oort California Institute of Technology University of Groningen Groningen Science Academia Astronomy
44	PDF Document Add to Reading List Source URL: www.gps.caltech.edu Language: English - Date: 2003-11-19 19:09:02 Solar System Oort cloud Formation and evolution of the Solar System Comet Planet Asteroid belt Jan Oort Jupiter Asteroid Astronomy Planetary science Space