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Astronomy by JavaScript: Sun Calculators and More Astronomy by JavaScript: Sun Calculators and More
Astronomy by JavaScript: Sun Calculators and More- Applets related to calendars and keeping time, including sidererial time. ...
The Calendar, Leap Years and the Year 2000 The Calendar, Leap Years and the Year 2000
The Calendar, Leap Years and the Year 2000- An explanation of the calendar including the origin of the day, week, month and year. ...
Astro Portal - CalSKY Astro Portal - CalSKY
Astro Portal - CalSKY- The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well as astronomers. ...
Lunisolar Calendar Lunisolar Calendar
Lunisolar Calendar- Lunar calendar with lunations, from new moon to new moon, instead of months. Moon phase on each day. Chinese, Jewish, and Islamic months. Eclipses, meteors, planets, star charts. Christian, Pagan, Isl ...
The Julian and Gregorian Calendars The Julian and Gregorian Calendars
The Julian and Gregorian Calendars- Explanations of the Julian Calendar, the Gregorian Reform, the adoption of the Gregorian Calendar, the length of the tropical year and related matters. ...
Julian Day Numbers Julian Day Numbers
Julian Day Numbers- An explanation of the Julian day number system used by astronomers and calendricists. ...
Types of Calendars Types of Calendars
Types of Calendars- An explanation of lunar, solar, lunisolar, rule-based and other calendars. ...
PlexGlobe: International Clock and Global Kit PlexGlobe: International Clock and Global Kit
PlexGlobe: International Clock and Global Kit- A productivity toolkit for global users and businesses that includes world clock and calendar. ...
Hindu Calendar Dates 52nd Century Hindu Calendar Dates 52nd Century
Hindu Calendar Dates 52nd Century- Explains the cosmological and astronomical influences in creating the Indian calendar. ...
Runaway Universe Runaway Universe
Runaway Universe- Companion website for a PBS NOVA program originally broadcast in 2000, which examines the size, future and fate of the universe. Contains background material on mapping the universe, supernovae as stand ...
Stephen Hawking's Universe Stephen Hawking's Universe
Stephen Hawking's Universe- Companion website to the PBS-Thirteen/WNET six-part series of the same name. Includes information about many facets of cosmology and the researchers involved, as well as a Teacher's Guide. ...
The Royal Astronomical Society The Royal Astronomical Society
The Royal Astronomical Society- UK organization promoting astronomy, geophysics, and planetary science. ...
Ned Wright's Cosmology Tutorial Ned Wright's Cosmology Tutorial
Ned Wright's Cosmology Tutorial- Site maintained by a UCLA astronomy professor, which features an introduction to cosmology (which uses no more than high-school level mathematics), links to resources, a section on "fads ...
Orioloromano Observatory Orioloromano Observatory
Orioloromano Observatory- Robodome observatory in Italy provides deep sky images. ...
Faith and Reason: Cosmology Faith and Reason: Cosmology
Faith and Reason: Cosmology- Companion site to the PBS mini-series "Faith & Reason". The cosmology section discusses the challenge to traditional Christian views posed by the scientific understanding of cosmological evol ...
Introduction to Cosmology Introduction to Cosmology
Introduction to Cosmology- Lecture notes by David H. Lyth (Lancaster University), with a special emphasis on large scale structure, the anisotropies of the cosmic microwave radiation, and inflation. Presupposes basic kno ...
The Big Bang (One More Time) The Big Bang (One More Time)
The Big Bang (One More Time)- Article from Christian Science Monitor about Paul Steinhardt and his work on the "Ekpyrotic Universe", a speculative model which uses concepts of string theory to arrive at a periodically re ...
Cosmology: A Research Briefing Cosmology: A Research Briefing
Cosmology: A Research Briefing- Online book from the National Academy of Sciences, published in 1995 by the National Research Council's Board on Cosmology as a re-assessment of the cosmological research earlier examined ...
WMAP Introduction to Cosmology WMAP Introduction to Cosmology
WMAP Introduction to Cosmology- Basic introduction to modern cosmology, aimed at a general audience. This NASA site is part of the outreach efforts for the WMAP space probe, which measures an "Echo of the Big Bang": the ...
LEVEL 5 - A Knowledgebase for Extragalactic Astronomy and Cosmology LEVEL 5 - A Knowledgebase for Extragalactic Astronomy and Cosmology
LEVEL 5 - A Knowledgebase for Extragalactic Astronomy and Cosmology- Extensive collection of articles, monographs, data bases, tools and essays related to extragalactic astronomy and cosmology. Maintained by Barry F. Mad ...
Science and Reason: The Big Bang Science and Reason: The Big Bang
Science and Reason: The Big Bang- A fairly complete overview of current cosmological models, from the cosmological principle to cosmic expansion and the physics of the early universe. Uses very simple formulas. ...
Cambridge Cosmology - Public Homepage Cambridge Cosmology - Public Homepage
Cambridge Cosmology - Public Homepage- Webpages created by the Cambridge University cosmology group for a general audience, with information about black holes, the big bang models, cosmic strings, galaxies and galaxy clu ...
Canadian Astronomy Data Centre Canadian Astronomy Data Centre
Canadian Astronomy Data Centre- Contains digitized sky survey, IUE archive, star catalogs, and links. ...
Cosmology Cosmology
Cosmology- Overview of cosmology, suitable for a general audience, from Patricia Schwarz's Official String Theory Website. Includes information on big bang models, inflation, and, naturally, on the connection between cos ...
Cosmology Cosmology
Cosmology- Entry in Eric Weisstein's World of Physics. Contains many links to related entries, and a list of useful materials. ...
Cosmological Models Cosmological Models
Cosmological Models- Lecture notes for graduate-level lectures originally given at the 1998 Cargese summer school, by George Ellis and Henk van Elst. The notes give a systematic presentation of a 1+3 covariant approach t ...
Introduction to Cosmology Introduction to Cosmology
Introduction to Cosmology- Condensed lecture notes at graduate-student level on standard cosmology, the physics of the early universe, and inflation. Based on lectures given by G. Lazarides (Aristotle University of Thess ...
Cosmology Cosmology
Cosmology- Collection of articles about various aspects of cosmology, from the physics of the big bang phase to the shape of the universe. Part of the "Spotlights on Relativity" series on Einstein Online; written for a g ...
NED NED
NED- The NASA/IPEC Extragalactic Database is built around a list of extragalactic objects with cross-identifications of names, positions and redshifts. ...
Planetary Data System Planetary Data System
Planetary Data System- PDS archives, and distributes digital data from past, and present NASA planetary missions, astronomical observations, and laboratory measurements. Contains data and services, educational resources, ...
MAST: Multimission Archive at STScI MAST: Multimission Archive at STScI
MAST: Multimission Archive at STScI- MAST supports a variety of astronomical data archives, with the primary focus on scientifically related data sets in the optical, ultraviolet, and near-infrared parts of the spectrum. ...
HEASARC HEASARC
HEASARC- High Energy Astrophysics Science Archive Research Center. Provides an archive of data on (and software for analyzing) gamma-ray, X-ray, and extreme ultraviolet observations of cosmic (non-solar) sources. ...
SIMBAD Astronomical Database SIMBAD Astronomical Database
SIMBAD Astronomical Database- The SIMBAD astronomical database provides basic data, cross-identifications and bibliography for astronomical objects outside the solar system. SIMBAD can be queried by object name, coordina ...
Multiwavelength Milky Way Multiwavelength Milky Way
Multiwavelength Milky Way- The Astrophysics Data Facility (ADF), located at the NASA Goddard Space Flight Center. ...
MBCAA Observatory MBCAA Observatory
MBCAA Observatory- Data and graphical interpretations of observations of variable stars, gamma ray bursts, minor planets, and other transient phenomena. ...
2dF QSo Redshift Survey (2QZ) 2dF QSo Redshift Survey (2QZ)
2dF QSo Redshift Survey (2QZ)- An Anglo-Australian collaboration surveying 740 square degrees of high-galactic lattiude sky. Contains spectroscopic data release, results, progress report, and input catalogue, survey memb ...
SAO Telescope Data Center SAO Telescope Data Center
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 ...
The Aladin Sky Atlas The Aladin Sky Atlas
The Aladin Sky Atlas- Provides an interactive sky atlas allowing users to visualize digitized images of any part of the sky. Includes astronomical catalogs, personal user data files, and interactive access to related dat ...
Centre de Données astronomiques de Strasbourg Centre de Données astronomiques de Strasbourg
Centre de Données astronomiques de Strasbourg- (CDS) Astronomical databases, bibliography, documentation, and directory. ...
CFHT Archive CFHT Archive
CFHT Archive- The Canada-France-Hawaii Telescope Archive. Includes CFHT archives, images, instruments, help, and links. ...
DSS - The Digitized Sky Survey DSS - The Digitized Sky Survey
DSS - The Digitized Sky Survey- Comprises a set of all-sky photographic surveys in E, V, J, R, and N bands conducted with the Palomar, and UK Schmidt telescopes at the Space Telescope Science Institute. ...
The VLA FIRST Survey The VLA FIRST Survey
The VLA FIRST Survey- Faint images of the radio sky at the wavelength of 20 centimeters. ...
ESO/ST-ECF USNO-A1.0 Catalogue Server ESO/ST-ECF USNO-A1.0 Catalogue Server
ESO/ST-ECF USNO-A1.0 Catalogue Server- Archive provides access to the all-sky catalogue from the set of ten CD-ROMs produced by the US Naval Observatory within the Precise Measurement Machine Project. ...
SIMBAD Astronomical Database SIMBAD Astronomical Database
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 g ...
Personal Web pages Personal Web pages
Personal Web pages- A list of the personal web pages of professional astronomers from around the world. Extensive. ...
USGS Planetary GIS Web Server. USGS Planetary GIS Web Server.
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. ...
Hypercat: Extragalactic database Hypercat: Extragalactic database
Hypercat: Extragalactic database- Search data about millions of galaxies by their name or celestial position. Also an archive of 100,000 images of galaxies. ...
The Munich Astro Archive The Munich Astro Archive
The Munich Astro Archive- Archives astronomical data. Includes star dates, comets, glossary, astronomical catalogs, calendar, meteor events, and astromaps. ...
Space Telescope Science Institute Space Telescope Science Institute
Space Telescope Science Institute- Contains astronomy resources, space data archives, visitor information, and research opportunities. ...
Supercosmos Sky Surveys Supercosmos Sky Surveys
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. ...

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