Appendix A 



ACRONYMS AND ABBREVIATIONS 



AMPTE Active Magnetosphere Particle Tracer Experiment 



AO Announcement of Opportunity 



AU Astronomical Unit 



AXAF Advanced X-ray Astronomy Facility 



CCD Charge-Coupled Device 



COBE Cosmic Background Explorer 



CRAF Comet Rendezvous Asteroid Flyby 



ELV Expendable Launch Vehicle 



ESA European Space Agency 



ESCA Electron Spectroscopy for Chemical Analysis 



EURECA European Retrievable Carrier 



EUVE Extreme Ultraviolet Explorer 



F I RST Far-I nfrared Space Telescope 



FOC Faint Object Camera (on HST) 



FOS Faint Object Spectrograph (on HST) 



FTT Fischer-Tropsch type (synthesis) 



FUSE Far Ultraviolet Spectroscopy Explorer 



GAS Getaway Special (on Space Shuttle) 



GRO Gamma Ray Observatory 



GSFC Goddard Space Flight Center 



HH Herbig-Haro (object) 



HR Hertsprung-Russell diagram of stellar luminosities plotted against 



effective stellar temperature 



HST Hubble Space Telescope 



HUT Hopkins Ultraviolet Telescope (on ASTRO) 



IMS Imaging Michelson Spectrometer 



|R Infrared region of the electromagnetic spectrum 



IRAS Infrared Astronomical Satellite 



IRIS Infrared Interferometric Spectrometer (on Voyager) 



ISO I nfrared Space Observatory 



IUE International Ultraviolet Explorer 



KAO Kuiper Airborne Observatory 



LDEF Long Duration Exposure Facility 



LDR Large Deployable Reflector 



LEAM Lunar Ejecta and Meteorites 



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