H
Acronyms
ACE
Advanced Composition Explorer
AGU
American Geophysical Union
AIM
Aeronomy of Ice in the Mesosphere
AO
announcement of opportunity
APL
Applied Physics Laboratory
BAT
Burst Alert Telescope
CAR
confirmation acceptance review
CAS
Center for Astrophysical Sciences
CBO
Congressional Budget Office
CCR
configuration change request
CDR
critical design review
CHIPS
Cosmic Hot Interstellar Plasma Spectrometer
CINDI
Coupled Ion Neutral Dynamics Investigation
CMB
cosmic microwave background
CMBR
cosmic microwave background radiation
CME
coronal mass ejection
COBE
Cosmic Background Explorer
CONTOUR
Comet Nucleus Tour
CSR
concept study report
DAP
data analysis program
DI
Deep Impact
DOD
Department of Defense
DPO
Discovery Program Office
DSN
Deep Space Network
DUO
Dark Universe Observatory
EIT
Extreme ultraviolet Imaging Telescope
ELV
expendable launch vehicle
E/PO
education and public outreach
ESE
Earth Science Enterprise
ESSP
Earth System Science Pathfinder
ESSSO
Earth and Space Science Support Office
EUSO
Extreme Universe Space Observatory
EUV
extreme ultraviolet
EUVE
Extreme Ultraviolet Explorer
FAME
Full Sky Astrometric
FAST
Fast Auroral Snapshot Explorer
FBC
faster-better-cheaper
FFRDC
federally funded research and development center
FTE
full-time equivalent
FUSE
Far-Ultraviolet Spectroscopic Explorer
FY
fiscal year
GALEX
Galaxy Evolution Explorer
GI
guest investigator
GONG
Global Oscillation Network Group
GRB
gamma-ray burst
GSFC
Goddard Space Flight Center
HESSI
High Energy Solar Spectroscopic Imager
HETE-2
High Energy Transient Explorer-2
IBEX
Interstellar Boundary Explorer
IMAGE
Imager for Magnetopause-to-Aurora Global Exploration
IMEX
Inner Magnetosphere Explorer
IMPACT
In-situ Measurements of Particles and CME Transients
IPM
interplanetary medium
IR
infrared
ISM
interstellar medium
ITA
Independent Technical Authority
ITAR
International Traffic in Arms Regulations
IV&V
independent verification and validation
JMEX
Jupiter Magnetospheric Explorer
JPL
Jet Propulsion Laboratory
KSC
Kennedy Space Center
LASCO
Large Angle and Spectrometric Coronagraph
LASP
Laboratory for Atmospheric and Space Physics
LRR
launch readiness review
LWS
Living With a Star
MCR
mission confirmation review
MDI
Michelson Doppler Imager
MEP
Mars Exploration Program
MESSENGER
Mercury Surface, Space Environment, Geochemistry, and Ranging
MIDEX
Medium-class Explorer
MO
mission operations
MO&DA
mission operations and data analysis
MoO
mission of opportunity
MSFC
Marshall Space Flight Center
NAPA
National Academy of Public Administration
NAS
National Academy of Sciences
NASA
National Aeronautics and Space Administration
NEAR
Near Earth Asteroid Rendezvous
NEXUS
Normal-incidence Extreme-Ultraviolet Spectrograph
NIAT
NASA Integrated Action Team
NPR
NASA procedural requirement
NRA
NASA research announcement
NRC
National Research Council
NuSTAR
Nuclear Spectroscopic Telescope Array
OSS
Office of Space Science
PDR
preliminary design review
PDS
Planetary Data System
PER
pre-environmental review
PI
principal investigator
PM
project manager
PMC
Program Management Council
POP
program operating plan
PSR
pre-ship review
QA
quality assurance
R&A
research and analysis
RFA
request for action
RHESSI
Ramaty High Energy Solar Spectroscopic Imager
RXTE
Rossi X-Ray Timing Explorer
SAMPEX
Solar Anomalous and Magnetospheric Particle Explorer
SMEX
Small-class Explorer
SNOE
Student Nitric Oxide Explorer
SOHO
Solar and Heliospheric Observatory
SPIDR
Spectroscopy and Photometry of the Intergalactic Medium’s Diffuse Radiation
SR&T
supporting research and technology
SRM
solid rocket motor
SSB
Space Studies Board
SSE
Survey Solar System Exploration Survey
SSO
Science Support Office
STEDI
Student Explorer Demonstration Initiative
STEREO
Solar Terrestrial Relations Observatory
STP
Solar Terrestrial Probe
SWAS
Submillimeter Wave Astronomy Satellite
SWRI
Southwest Research Institute
TERRIERS
Tomographic Experiment using Radiative Recombinative Ionospheric EUV and Radio Sources
THEMIS
Time History of Events and Macroscale Interactions during Substorms
TIMED
Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics
TMCO
technical, management, cost, and other
TPF
Terrestrial Planet Finder
TRACE
Transition Region and Coronal Explorer
TWINS
Two Wide-angle Imaging Neutron-Atom Spectrometers
UNEX
University-class Explorer
USGS
U.S. Geological Survey
USML
U.S. munitions control list
USRA
University Space Research Association
UV
ultraviolet
WBS
work breakdown structure
WIRE
Wide-field Infrared Explorer mission
WISE
Wide-field Infrared Survey Explorer
WMAP
Wilkinson Microwave Anisotropy Probe
