Dr Apostolos Christou Research Astronomer Armagh Observatory and Planetarium College Hill ARMAGH BT61 9DG Northern Ireland Tel:+44 28 3744 2320 email:apostolos.christou[at]armagh.ac.uk

RESEARCH Recent refereed papers on ADS and on arxiv.org A short CV (pdf) Complete list of talks (pdf) Complete list of publications Press Releases USEFUL LINKS HORIZONS, JPL's solar system epemeris service CNEOS, NASA's Near Earth Object site The NEODyS Near Earth Object information service ALCDEF, an asteroid lightcurve photometry database A handy asteroid magnitude-to-size converter Seiichi Yoshida's comet page A calendar of current planetary science meetings at the Lunar and Planetary Institute website A live view of the sky over Armagh, courtesy of the FRIPON project and its UK component, SCAMP FUN STUFF NASAspaceflight forum unmannedspaceflight forum Spaceflight news at spacetoday.net, spaceflightnow.com, spacedaily.com and space.com Something about the nature of science SOFTWARE (under construction) This page is maintained by: Apostolos Christou Last modified: 31.v.24 The Armagh Observatory and Planetarium is not responsible for the content of external internet sites