List of Astronomy Acronyms - E

E

  • E – (celestial object) Eclipsing, a binary star system with variable brightness in which the stars eclipse each other
    • EA – (celestial object) Eclipsing Algol, a class of eclipsing binary stars named after Algol, the archetype for the class
    • EB – (celestial object) Eclipsing Beta Lyrae, a class of eclipsing binary stars named after Beta Lyrae, the archetype for the class
    • EW – (celestial object) Eclipsing W Ursa Majoris, a class of eclipsing binary stars named after W Ursa Majoris, the archetype for the class
  • EAAE – (organization) European Association for Astronomy Education
  • E-ELT – (telescope) – European Extremely Large Telescope
  • EAPSNET – (organization) – East-Asian Planet Search Network
  • EC – (celestial object) Embedded Cluster, a star cluster that is partially or fully embedded in interstellar gas or dust
  • ECA – (celestial object) Earth Crossing Asteroid
  • EGG – (celestial object) Evaporating Gaseous Globule
  • EGGR – (catalog) Eggen & Greenstein, a catalog of mostly white dwarfs
  • EGP – (celestial object) Extrasolar Giant Planet
  • EGRET – (telescope) Energetic Gamma Ray Experiment Telescope, another name for the Compton Gamma Ray Observatory
  • EHB – (celestial object) Extreme Horizontal Branch, a type of hot, evolved star
  • EJASA – (publication) Electronic Journal of the Astronomical Society of the Atlantic
  • EKBO – (celestial object) Edgeworth-Kuiper Belt Object, an alternative name for Kuiper Belt Objects
  • ELIAS – (observing program) European Large Area ISO Survey, a survey of high redshift galaxies performed with the Infrared Space Observatory (ISO)
  • ELT – (telescope) Extremely Large Telescope
  • EMP – (catalog) Ephemerides of Minor Planets
  • EMP – (celestial object) Extremely Metal-Poor, a star with few elements other than hydrogen and helium
  • ENACS – (observing program) ESO Nearby Abell Cluster Survey, a survey of galaxy clusters
  • ERO – (celestial object) Extremely Red Object, a name applied to galaxies with red spectra
  • ESA – (organization) European Space Agency
  • ESO – (organization) European Southern Observatory
  • ESTEC – (organization) European Space research and TEchnology Centre
  • ESTRACK – (communications network) European Space TRACKing, a network of radio antennas used for communicating to spacecraft
  • EUV – (astrophysics terminology) Extreme UltraViolet
  • EUVE – (telescope) Extreme UltraViolet Explorer, an ultraviolet space telescope
  • EVN – (organization) European VLBI Network

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