Eric Walker added La Silla Observatory - Wikipedia to La Silla Observatory

Eric Walker added Metal Planet Orbits Its Star Every 7.7 Hours - The New York Times to High Accuracy Radial Velocity Planet Searcher (HARPS), and added High Accuracy Radial Velocity Planet Searcher (HARPS) to Exoplanets and La Silla Observatory

Eric Walker added a number of topics and a number of links to Chile, and added Chile to Countries in South America

Eric Walker added a number of topics to Observatories, and added Observatories to Telescopes, observatories and telescope networks

Eric Walker added HARPS spectrograph and ESO 3.6 m Telescope - Wikipedia to ESO 3.6 m Telescope, and added ESO 3.6 m Telescope to La Silla Observatory and Telescopes

Eric Walker added ESO 3.6 m Telescope and High Accuracy Radial Velocity Planet Searcher (HARPS) and La Silla Observatory - Wikipedia to La Silla Observatory, and added La Silla Observatory to Observatories and Chile