| The_Munich_Astro_Archive Archives astronomical data. Includes star dates, comets, glossary, astronomical catalogs, calendar, meteor events, and astromaps. |
| NCSA_Astronomy_Digital_Image_Library (ADIL) collects astronomical, research-quality images and make them available to the astronomical community, and the general public. Offers Library access, image browse, and FITS links. |
| The_New_UKIRT_Archive The United Kingdom Infrared Telescope Archive. Offers search tool, and operator's log. |
| NOAO_Data_Archives Operated by the Association of Universities for Research in Astronomy (AURA), Inc. Includes survey programs data archive, and links to other data collections. |
| NVSS_Postage_Stamp_Server This postage Stamp server for NRAO/VLA Sky Survey (NVSS) returns radio images of the sky in FITS or JPEG format. |
| Pat_Baker\'s_Astronomy_Central Explores astronomy, the universe, the Hubble telescope, the solar system, and astronomy history. Offers news, images, articles, and links. |
| Personal_Web_pages A list of the personal web pages of professional astronomers from around the world. Extensive. |
| Radio_Astronomy_Group,_University_of_Tasmania Contains student research projects, astronomical data, radio observatories, and history. |
| The_Royal_Astronomical_Society UK organization promoting astronomy, geophysics, and planetary science. |
| SAO_Telescope_Data_Center Creates, and maintains software to process and archive data from optical telescopes at the Oak Ridge Observatory in Harvard, Massachusetts, Whipple Observatory, and Multiple Mirror Telescope on Mt. Ho |
| SIMBAD_Astronomical_Database Offers data, cross-identifications, observational measurements, and bibliography for celestial objects outside the solar system including stars, galaxies, and nonstellar objects within our galaxy, or |
| Solar_Data_Analysis_Centre Contains solar data, and images. Includes SDAC Data-Finder, current solar images, and TRACE analysis guides. |
| Space_Telescope_Science_Institute Contains astronomy resources, space data archives, visitor information, and research opportunities. |
| Starcast Provides simultaneously queries, and many astronomical databases. Includes input target coordinates or name, data type, source, and bandpass. |
| Supercosmos_Sky_Surveys Provides images, and catalogues of the southern sky in three colours. Includes access to digitised images, and the data derived from SuperCOSMOS scans of photographic Schmidt survey plates. |
| Technical_Data_for_the_Arecibo_Airglow_and_Optical_Instrumentation Data information, and instrument documentation from the Arecibo optical facility. |
| UK_astronomical_data-center Data center that is part of the Cambridge Astronomy Survey Unit providing a selection of data from the UK's ground based telescopes. Includes archives, and catalogs. |
| The_UnOfficial_Chandra_Data_Archive_Search Provides a search tool for the Chandra X-Ray Observatory secondary data products archive. |
| USGS_Planetary_GIS_Web_Server_ Mapping interface that will integrate powerful Geographic Information Systems (GIS) graphical, statistical, and spatial relational tools for analyses of planetary datasets. |
| The_UTR-2_Catalogue Provides a low frequency sky survey of discrete sources obtained in the Institute of Radio Astronomy of the Ukrainian National Academy of Sciences. Images from the UTR-2 radio telescope at a number of |
| The_VLA_FIRST_Survey Faint images of the radio sky at the wavelength of 20 centimeters. |
| The_Web_Nebulae Features images of Nebulae organized by Bill Arnett. Includes glossary, image list, and sources. |
| MarineBio_org Marine species, marine conservation efforts, and ocean life research. Discussion forum and daily marine biology news. |
| Strepsiptera Twisted-wing parasites: a description of this small order, with a list of hosts and geographic range. |
| Strepsiptera Description from the Tree of Life project. |
| Hurricane_Photo_Gallery Photo gallery of hurricanes and hurricane-related damage. |
| BBC_Online__Galileo In-depth look at Galileo's life and his significance. |
| CCD_Images_from_a_Galilean_Telescope Describes the construction and use of a modern replica of Galileo's telescope. Includes photographs taken through it showing approximately what he would have seen. |
| Galileo_and_Einstein A resource for a University of Virginia physics course, with lecture notes. |
| Galileo_and_Einstein A lecture course by Michael Fowler of the University of Virginia: History of Astronomy from ancient Greece to Relativity. |
| Galileo_Galilei Biography, with links to related internet sites. |
| Galileo_Galilei_(1564-1642) Features information about college education, studies about bodies in motion, and becoming famous. Describes the impact of the scientist's invention of the telescope on ancient cosmological beliefs. |
| Galileo_Galilei_-_Astronomy_Rebel_With_a_Cause Concise biography. |
| Galileo_Galilei\'s_Notes_on_Motion High resolution scans of "Manuscript 72" pertaining to the theorems on motion published in the Discorsi. |
| Galileo__Letter_to_the_Grand_Duchess_Christina Galileo's great defense of the independence of science from religious authority. |
| The_Life_and_Work_of_Galileo_(1564-1642) A detailed account of Galileo's early influences and summary of important events in his efforts to prove heliocentricity. |
| Multimedia_Catalogue_-_Room_IV_Galileo_Galilei Virtual tour and descriptions of Galilean artifacts on display at the History of Science Museum, Florence, Italy. Includes biographical links and notes. |
| Trial_of_Galileo_Galilei A collection of primary documents, essays, ancient texts, maps, photos, paintings and other materials relating to the trial in 1633. |
| Pest_Diagnostic_Clinic Provides plant disease diagnoses, nematode counts, and insect and plant identifications. Contains information on submission of samples, fact sheets, and guidelines on nematode and Verticillium (in soi |
| Al-Khwarizmi Biography of the man often credited as the originator of algebra, whose book title included "al-jabr", the origin of the word. |