Gazetteer of Planetary NomenclatureThis gazetteer contains detailed information about all names of topographic and albedo features on planets and satellites (and some planetary ring and ring-gap systems) that the International Astronomical Union (IAU) has named and approved from its founding in 1919 through the present time.
Goddard Space Flight Center"NASA's Goddard Space Flight Center, located in Greenbelt, Md., manages many of the space agency's Earth observation, astronomy and space physics missions."
Jet Propulsion LaboratoryNASA's Jet Propulsion Laboratory is the "lead U.S. center for robotic exploration of the solar system, and conducts major programs in space-based Earth sciences."
Kennedy Space CenterNASA's John F. Kennedy Space Center is the nation's "gateway to exploring, discovering and understanding our universe."
Lowell ObservatoryThe mission of Lowell Observatory is to pursue the study of astronomy, especially the study of our solar system and its evolution; to conduct pure research in astronomical phenomena; and to maintain quality public education and outreach programs to bring the results of astronomical research to the general public.
NASANASA.gov brings you images, videos and interactive features from the unique perspective of America's space agency.
NASA Lunar and Planetary ScienceNASA's primary deep archive site for planetary and lunar data obtained from spacecraft missions (both NASA and non-NASA), as well as the primary center for distribution of planetary data and images to educators and the general public.
Physical Measurement LaboratoryPhysical reference databases are avaiable from NIST, including Elemental Data Index, Periodic Table Atomic Properties, Physical Constants, Atomic Spectroscopy Data, Molecular Spectroscopic Data, Atomic and Molecular Data, X-Ray and Gamma-Ray Data, Radiation Dosimetry Data, Nuclear Physics Data, and Condensed Matter Physics Data.
Sloan Digital Sky SurveyThe Sloan Digital Sky Survey has created the most detailed three-dimensional maps of the Universe ever made, with deep multi-color images of one third of the sky, and spectra for more than three million astronomical objects. Learn and explore all phases and surveys—past, present, and future—of the SDSS.
Space Weather Prediction CenterA service of the National Oceanic and Atmospheric Administration "providing space weather alerts and warnings to the nation and the world.