ARO Arizona Radio Observatory

ARRA American Recovery and Reinvestment Act

ATA Allen Telescope Array

ATI Advanced Technologies and Instrumentation

ATP Astrophysics Theory Program

ATST Advanced Technology Solar Telescope

AUI Associated Universities, Inc.

AURA Association of Universities for Research in Astronomy

BigBOSS Big Baryon Oscillation Spectroscopic Survey

BLISS Background-Limited Infrared-Submillimeter Spectrograph

BPA Board on Physics and Astronomy

CANGAROO Collaboration of Australia and Nippon (Japan) for a Gamma Ray Observatory in the Outback

CARMA Combined Array for Research in Millimeter-wave Astronomy

CATE cost appraisal and technical evaluation

CFP Cosmology and Fundamental Physics, Panel on

CMB cosmic microwave background

COBE Cosmic Background Explorer

CoBRA Coherent Online Baseband Receiver for Astronomy

Con-X Constellation-X

COROT Convection, Rotation and Planetary Transits

CSO Caltech Submillimeter Observatory

CTA Čerenkov Telescope Array

CTIO Cerro Tololo Inter-American Observatory

CXC Chandra X-ray Observatory Center

DES Dark Energy Survey

DOE Department of Energy

DSIAC decadal survey implementation advisory committee

E-ELT European Extremely Large Telescope

EHT Event Horizon Telescope

EJSM Europa Jupiter System Mission

EOS Electromagnetic Observations from Space, Panel on

ESA European Space Agency

ESM Electromagnetic Spectrum Management

ESO European Southern Observatory

EU European Union

EVLA Expanded Very Large Array