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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 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)]

NASA Kids' Club - 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)]


The Moody Sun - Webcast - Dr. Holly Gilbert speaks about solar storms and how these dynamic phenomena interact with the Earth's magnetic field. Dr. Gilbert describes their journey from the Sun to throughout the Solar System and discuss how the Sun's changing behavior impacts you [U.S. Library of Congress (LOC)]

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: Magnifying the Universe - Presented by NASA Jane Rigby, NASA astrophysicist and deputy project scientist for operations for the James Webb Telescope. [U.S. Library of Congress (LOC)]

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)]

Why is Pluto no longer a planet? -- Everyday Mysteries - Everyday Mysteries, Fun Science Facts from the Library of Congress [U.S. Library of Congress (LOC)]