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Arecibo Observatory is part of the National Astronomy and Ionosphere Center (NAIC) - One of the most important national centers for research in radio astronomy, planetary radar and terrestrial aeronomy [National Aeronautics and Space Administration (NASA); U.S. National Science Foundation (NSF)]

Ask a High-Energy Astronomer - Answers questions about things such as black holes, quasars, dark matter, and other related topics [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]

Ask an Astronomer - Read preanswered questions or send an e-mail and ask a direct question [National Aeronautics and Space Administration (NASA), Space Infrared Telescope Facility (SIRTF)]

Ask the Space Scientist - [National Aeronautics and Space Administration (NASA)]

Astrobiology: Life in Space - A Webcast of a presentation at the Library of Congress by Dr. Daniel (Danny) Glavin, Astrobiologist at NASA’s Goddard Space Flight Center. [U.S. Library of Congress (LOC)]

Astronomy -- Selected Internet Resources - Selected Internet Resources -- Astronomy. Science Reference Services; Science Reference Section; Library of Congress [U.S. Library of Congress (LOC)]

Astronomy Picture of the Day - Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]

Astronomy Resources from STSci. - Provides access to results as well as schedules for use [National Aeronautics and Space Administration (NASA), Space Telescope Science Institute (STScI)]


Center for Adaptive Optics (CAO) - Concentrates on astronomical and vision science applications of adaptive optics [U.S. National Science Foundation (NSF), Science and Technology Centers (STC)]

Cerro Tololo Inter-American Observatory (CTIO) - Operates 4-meter, 1.5-meter, and 0.9-meter telescopes [U.S. National Science Foundation (NSF), National Optical Astronomy Observatory (NOAO)]

Ciencia@NASA - Spanish translations of stories from Science@NASA. [National Aeronautics and Space Administration (NASA)]

Cosmic and Heliospheric Learning Center - Answers to questions about cosmic and heliospheric science and to encourage all to explore the many varied facets of scientific study [National Aeronautics and Space Administration (NASA)]


Deep Impact; NASA's smashing success - A First look inside a commet. [National Aeronautics and Space Administration (NASA)]


Eastern Mineral Resources meteorite research - Description of chemical research on meteorites to understand the formation processes of chondite meteorites and condules. Site has link to issues of Meteoritical Bulletin and signup for e-mail notification of new meteorites. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Eclipse Home Page - The ultimate resource for online information about eclipses [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]

Extragalactic Database (NED) - Search a master list of extragalactic objects and articles about them [National Aeronautics and Space Administration (NASA)]


Fermilab, A DOE National Laboratory - Fermilab builds and operates the accelerators, detectors and other facilities that physicists need to carry out forefront research in high-energy physics [U.S. Department of Energy (DOE), Fermi National Accelerator Laboratory (FNAL)]


Goddard Space Flight Center - Sciences and Exploration Directorate - Enables space-based exploration of the Earth, the Solar System, and the Universe through scientific leadership and innovation. [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]


Imagine the Universe - Intended for anyone interested in learning about our universe [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]

InfraRed Science Archive (IRSA) - The archive node for NASA's infrared and submillimeter astronomy projects and missions [National Aeronautics and Space Administration (NASA)]

Infrared Processing and Analysis Center (IPAC) - Center of expertise for long-wavelength astrophysics [National Aeronautics and Space Administration (NASA)]

Institute for Nuclear and Particle Astrophysics (INPA) - Unites LBL research in astrophysics, including solar neutrinos, cosmic rays, dark matter, supernovae, cosmic background radiation and theoretical astrophysics [U.S. Department of Energy (DOE), Lawrence Berkeley National Laboratory (LBNL)]


Kepler Mission - Kepler Mission to find Earth-size planets in the habitable zones of stars [National Aeronautics and Space Administration (NASA)]

Kitt Peak National Observatory (KPNO) - Most diverse collection of astronomical observatories on Earth for nighttime optical and infrared astronomy and daytime study of the Sun [U.S. National Science Foundation (NSF), National Optical Astronomy Observatory (NOAO)]


Los Alamos Laboratory e-Research Library - Provides links to news, journals, information by subject, multiple data collections, and a multi-database search tool [U.S. Department of Energy (DOE), Los Alamos National Laboratory (LANL)]


Mars Update: Webcast - A Webcast of a presentation by Mars Update. James Garvin, NASA, who spoke about recent research and plans for Mars exploration. [U.S. Library of Congress (LOC)]


NASA Astrobiology - A portal to NASA activities, research, and technologies [National Aeronautics and Space Administration (NASA)]

NASA Image eXchange (NIX) - Search online for image and photo collections [National Aeronautics and Space Administration (NASA)]

NASAKids - Information and games related to space and science for kids. [National Aeronautics and Space Administration (NASA)]

NTRS (NASA Technical Reports Server) - Search for reports, journal articles, and conference proceedings [National Aeronautics and Space Administration (NASA)]

NWS Space Weather Prediction Center - Official source of space weather alerts and warnings [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), Jointly operated with the U.S. Air Force, Office of Oceanic and Atmospheric]

National Optical Astronomy Observatory (NOAO) Science Archive - Data from NOAO observatories is available [U.S. National Science Foundation (NSF)]

National Radio Astronomy Observatory (NRAO) - Provides state-of-the-art radio telescope facilities for use by the scientific community [U.S. National Science Foundation (NSF)]

National Solar Observatory (NSO) - Operates a number of telescopes to study the Sun [U.S. National Science Foundation (NSF), National Optical Astronomy Observatory (NOAO)]

National Space Science Data Center (NSSDC) - Access a wide variety of astrophysics, space physics, solar physics, lunar and planetary data [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]


Pacific Northwest National Laboratory Publications - Provides access to citations and references of publicly-announced Pacific Northwest National Laboratory publications since 1999 with links to the documents [U.S. Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]

Physics and Life Sciences Directorate - Delivers science that ensures the success of the LLNL's national security programs, anticipates their future needs, and provides innovative solutions to the hardest scientific problems facing the nation. [U.S. Department of Energy (DOE), Lawrence Livermore National Laboratory (LLNL)]


Science and Technology at Lawrence Livermore National Laboratory - Provides links to information about research in advanced defense technologies, energy, environment, biosciences, and basic sciences [U.S. Department of Energy (DOE), Lawrence Livermore National Laboratory (LLNL)]

Science@NASA - Stories about NASA research activities and results. [National Aeronautics and Space Administration (NASA)]

Space Science - An overview with space science links for the science community, educators, government decision-makers, and the public [National Aeronautics and Space Administration (NASA)]

SpaceKids - Space science for kids [National Aeronautics and Space Administration (NASA)]


The Space Place - Games, animations, projects, and fun facts about Earth, space and technology [National Aeronautics and Space Administration (NASA)]


US Naval Observatory (USNO) - Provides astronomical and timing data [U.S. Department of Defense (DOD), Department of the Navy]

United States Gemini Program (USGP) - A multi-national collaboration to provide access to twin 8 meter astronomical telescopes [U.S. National Science Foundation (NSF), National Optical Astronomy Observatory (NOAO)]


Webcast: The Many Colors of the Sun - A Webcast of a presentation by W. Dean Pesnell of the NASA Solar Dynamics Observatory on new observations and views of solar phenomena. [U.S. Library of Congress (LOC)]