... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Les disparus de Columbia rejoignent la Lune . ... Cette fois, c'est sur la face cach†йe de la Lune, dans le vaste bassin d'impact Apollo, que des crat†иres ont †йt†й baptis†йs des noms des disparus. ... D'autres astronautes disparus sur la Lune . ...

Appendix B: The Effects of Thermal Changes on the "Absolute" Position of the Secondary . ... I will use the same nomenclature for the rod forces here as I used in Appendix A. In Appendix A, the axial force balance equation at the horizon was shown to be . ... The quantity that we really wish to derive is , where is the rod elongation at some initial epoch (i.e. when the rods were first tensioned) and where is the rod elongation at some later time after the rod temperatures had changed. ...

... The recent evolution of the CDS services is presented. Nav­ igation between the CDS services, SIMBAD, the catalogue service, the VizieR catalogue browser and the Dictionary of nomenclature is devel­ oped, as well as graphic and image­based functionalities (SIMBAD, AL­ ADIN). ... 1997). ... The CDS has taken advantage of the WWW, first, of course, to develop WWW versions of its services : SIMBAD (1996), the catalogue service (1993), the Dictionary of Nomenclature. ...

NASA JOHNSON SPACE CENTER ORAL HISTORY PROJECT BIOGRAPHICAL DATA SHEET NAME: John Owen Annexstad O RAL H ISTORY: 15 March 2001 EDUCATIONAL BACKGROUND: B.S. in Physics and Mathematics, Gustavus Aldophus College, St. Peter, Minnesota, 1956 M.S. in Geophysics, University of Alaska , College, Alaska , 1966 M.A. in Public Administration, ... Johnson Space Center Oral History Project John O. Annexstad Annexstad, John O. and C. R. Wilson. ... NASA, Johnson Space Center. ...

... Mechanical Modification of the LX200 Declination Bearings . ... The fork arms were bored out to accept these bearings and the telescope was reassembled and adjusted to insure that the optical tube and the fork arms were orthogonal.  ... See Fig. ... Fig. ... Remove the left fork arm  in preparation for reassembly of the optical tube and bearings. ... Position the optical tube on its side and insert the 1" shaft along with the thrust bearing assembly into the bearing on the Dec drive fork.  ...

The Official Publication of the Amateur Astronomers Association of Princeton Director John Miller (609) 252-1223 jmiller@princetonastronomy.org Assistant Director John Church (609) 799-0723 j.church@mindspring.com Treasurer Program Chairman Michael Mitrano Ludy D'Angelo 609-737-6518 (609) 882-9336 ... Georgette and Bob North Membership Meeting Minutes March 11, 2008 Observatory: Dedicated AAAP member Gene Ramsey will relinquish has position as Observatory Co-Chairman for health reasons. ...

April 2007 ASTRONOTES Incorporating FRIENDS' NEWSLETTER The colours of stars Hurricanes in space Armagh's other planetarium Venus: the ugly sister planet Pole Position Springs back! ... This brings me to the spectra of stars. ... Two scientists are associated with the early study of absorption lines in the spectra of the Sun and other stars ­ Joseph von Fraunhofer and Angelo Secchi. ... The answer is not Mercury (maximum surface temperature 430°C), closest planet to the Sun, but Venus (average 470°). ...

Electromagnetic Theory Summary: · · · · · · Maxwell's equations EM Potentials Equations of motion of particles in electromagnetic fields Green's functions Lienard-Weichert potentials Spectral distribution of electromagnetic energy from an arbitrarily moving charge Electromagnetic Theory 1 /56 1 Maxwell's equations curl E = ­ B t Faraday's law 1 E ... Electromagnetic Theory 17 /56 6 Green's functions Green's functions are widely used in electromagnetic and other field theories. ...