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Dewey Decimal Classification numbers (Edition 21, copyright 1996 by OCLC Online Computer Library Center, Inc.) displayed on the World Wide Web by permission.
520 Astronomy and
allied sciences
last update: 28.12.1999
Click on any number, or just scroll down:
521 Celestial mechanics 522 Techniques, equipment, materials 522.1 Observatories 523 Specific celestial bodies & phenomena 523.3 The Moon 523.4 Planets 523.44Asteroids (Planetoids) 523.5 Meteors, solar wind, zodiacal light 523.6 Comets 523.7 Sun 525 Earth (Astronomical geography) 526 Mathematical geography 527 Celestial navigation 528 Ephemerides 529 Chronology
Astronomy (BUBL) - link to their Dewey 520 class
Astronomy picture of the day (Robert Nemiroff (MTU) & Jerry Bonnell (USRA) - An object from the Universe is featured daily. A high quality image (or animation) is presented and a clear explanation and commentary given, usually of one page length. In addition there is an archive of all the objects featured so far. Examples range from distant galaxies to the earth´s magnetic field. Highly recommended.
Astronomy and Space Science (USGS) - resources arranged alphabetically, mainly to research institutions, observatories and university depts.
Expanding Universe - (created in conjunction with LibraryNet - a cooperative venture of Canada's Libraries and Industry, Canada) - this is a Dewey classified (like GEO.) large collection of links sitable for amateur astronomy.
The National Space Science Data Center (NSSDC) - This is NASA´s own data base which provides access to a wide variety of astrophysics, space physics, solar physics, lunar and planetary data from NASA space flight missions, in addition to selected other data and some models and software. NSSDC provides access to online information bases about NASA and non-NASA data at the NSSDC and elsewhere as well as the spacecraft and experiments that have or will provide public access data. NSSDC also provide information and support relative to data management standards and technologies.
Nuffield School Astronomy Programme (with Bradford Robotic Telescope) - this is for 7 - 12 year olds. It is included here for those who want to revise in an interesting way, some basic principles which we all get hazy on from time to time.
- 522.1 Observatories
Armagh Observatory, (Co Armagh, N. Ireland.) Well organized site from this Irish observatory, founded in 1790. Good Irish astronomy links as well as more general. Good daily sky information for these latitudes.
Kitt Peak Observatory, (Tucson, USA.) Include here as a famous example of a professionally operating observatory to illustrate the range of instruments and observations available.
Mt Palomar Observatory. (Caltech, California, USA) - useful instrument descriptions. Some good pictures in image gallery.
Uppsala Observatory, (Uppsala Sweden) - information on the observatory, many useful links to other sites in Sweden and Finland. Latitude approx.60N (cf Reykjavik approx. 64N)
Upcoming Planetary Events and
Missions (NSSDC) - list of upcoming events by date, with links to relevant web sites.
- 523.3 The Moon
Exploring the Moon (Lunar & Planetary Institute) - describes the various missions (USA + USSR) as well as the scientific results. This is a very good site.- Lunar Prospector - latest scientific results (NASA Ames) - the latest scientific results section of the Lunar Prospector web site. Virtual conference sometimes offered on certain dates - lets you take part in live chat.
- The 9 planets - the Moon (Bill Arnett)- good straightforward information on main features, with good images.
- 523.4 Planets
Views of the solar system (Calvin J Hamilton). This web site contains 950 high quality views of all the main geological features of the planets and smaller bodies of the solar system which have been photographed. There are also accompanying explanations and statistics and some explanatory maps. This web site is one of the clearest and most up to date accounts of the known features of the solar system.
- 523.41 Mercury
Views of the solar system - Mercury (Calvin J Hamilton) - see description in 523.4- 523.42Venus
Face of Venus Home page (Glen Newton and Paul Budkewitsch) - comprehensive account of surface features of Venus. Gives access to large database, via links, of craters and volcanic features.
Magellan Mission to Venus (JPL/NASA) - images and other information about the highly successful mission , which radar mapped 98% of the planet´s surface.
Views of the solar system - Venus (Calvin J Hamilton) - see description in 523.4- 523.43Mars
The Case for Mars International Conference for the Exploration and Colonization of Mars (Tom Meyer, Colorado) - some interesting and thought-provoking stuff. Maintained by scientist who has professional affiliations. You should at least consider these ideas, some of which may not be all that far fetched.
Welcome to the Center for Mars Exploration (NASA - Ames) News, general information, maps etc. Kept well up to date.
Life on Mars?(NASA+JSC)- pages devoted to evidence for life on Mars (3,6 thousand years ago)
Life on Mars? (Access Excellence) - New geologic analyses appear to pour cold water on suggestions that strange crystals found on a Martian meteorite represent bacterial fossils from the red planet.
Life on Mars? (John Pike, Federation of American Scientists) - very good site. Keeps up to date with the latest information, following NASA´s announcement of "proof" in meteorite.
Live from Mars - NASA school programme connected with the Global Surveyor and Pathfinder programmes. Intended for lower school levels but contains highly useful information and links.
Mars Global Surveyor - NASA JPL web site (UK Mirror site). Comprehensive info. on the scientific mission and background on Mars.
Mars Global Surveyor - Science (NASA/JPL) - the science section of the above pages. Explains the objectives and discoveries.
Mars Pathfinder - NASA,JPL + CALTECH. Web site with info. and news. (Mirror in France for Europe)
Mars Pathfinder - Science results NASA,JPL + CALTECH The scientific results´pages. Gives good summaries and is updated as results come in.
MSNBC - Mars news (MSNBC) - A series of news reports on up to the minute Mars stories. Review of the Pthfinder mission etc. The main items are:
The shape of Mars missions to come
Mars orbiter resumes its maneuvers
Close-up views of Martian moon
The big question about life on Mars
Did Mars have enough spark for life?
Discuss Pathfinder's legacy on the Space News Bulletin BoardViews of the solar system - Mars (Calvin J Hamilton) - see description in 523.4
The Whole Mars Catalogue (National Space Society, USA) - covers most aspects from basic facts to life on Mars. Updated very often.
- 523.44Asteroids (Planetoids)
Asteroid Home Page (NSSDC) - asteroids (and comets) information. Includes useful facts sheet - basic information on selected asteroids., images and an FAQ on asteroids.
Asteroid and comet impact Hazards (Spaceguard Survey - NASA Ames) - this site provides in-depth information and news on likely impacts from near earth objects. It is only fairly recently that we have come to appreciate that these impacts by asteroids and comets (often called Near Earth Objects, or NEOs) pose a significant hazard to life and property.
Views of the solar system - Asteroids (Calvin J Hamilton) - see description in 523.4- 523.45Jupiter
(For Moons of Jupiter see 523.985)
Comet Shoemaker-Levy Collision with Jupiter - JPL /NASA web site dealing with the collision from every useful aspect. Many images and animations.Images and conclusions based on the results of analysing them.
Comet Shoemaker-Levy 9 Encounters Jupiter - STSci web site with Hubble images of the collision.
Galileo Homepage (JPL/NASA) - for up to date pictures and information on new discoveries about Jupiter and its moons.
Galileo Project Information (NSSDC) - part of above web site, but well organised page makes it easy to go staright to the topic you want.
Views of the solar system - Jupiter (Calvin J Hamilton) - see description in 523.4. Information on Jupiter and its moons.
Voyager Project Home Page (JPL/NASA) - web site devoted to the highly successful scientific flights of Voyager 1 and 2, which provided the first close-up views of the gas planets and their moons. Provides images and clear scientific summaries of the planets and moons.
- 523.46Saturn
(For Moons of Saturn see 523.986)
Cassini-mission to Saturn (NASA,JPL) - The Cassini Mission is designed to do a detailed study of Saturn, its Rings, its Magnetosphere, its Icy Satellites, and Titan. October 1997 launch.
Saturn links (JPL) - list of useful links on Saturn compiled by JPL.
Views of the solar system - Saturn (Calvin J Hamilton) - see description in 523.4
Voyager Project Home Page (JPL/NASA) - web site devoted to the highly successful scientific flights of Voyager 1 and 2, which provided the first close-up views of the gas planets and their moons. Provides images and clear scientific summaries of the planets and moons.- 523.47Uranus
Views of the solar system - Uranus (Calvin J Hamilton) - see description in 523.4
Voyager Project Home Page (JPL/NASA) - web site devoted to the highly successful scientific flights of Voyager 1 and 2, which provided the first close-up views of the gas planets and their moons. Provides images and clear scientific summaries of the planets and moons.
- 523.48Trans-Uranian planets
523.481 Neptune
Views of the solar system - Neptune (Calvin J Hamilton) - see description in 523.4
Voyager Project Home Page (JPL/NASA) - web site devoted to the highly successful scientific flights of Voyager 1 and 2, which provided the first close-up views of the gas planets and their moons. Provides images and clear scientific summaries of the planets and moons.- 523.482Pluto
Views of the solar system - Pluto (Calvin J Hamilton) - see description in 523.4
- 523.5 Meteors, solar wind, zodiacal light
The planetary System Group (Uppsala Observatory)- some pictures and easily read summaries dealing with research on asteroids, comets and planets.
Views of the solar system - Meteoroids and Meteorites (Calvin J Hamilton) - see description in 523.4- 523.6 Comets
Views of the solar system - Comets (Calvin J Hamilton) - see description in 523.4
Comet Hale Bopp (Russel Sipe) - popular science approach. Gives charts on position of the comet, new info. etc as well as discussion forum.- 523.7 Sun
Views of the solar system - Sun (Calvin J Hamilton) - see description in 523.4
Soho home page (NASA/ESA) - SOHO is designed to study the internal structure of the Sun, its extensive outer atmosphere and the origin of the solar wind, the stream of highly ionized gas that blows continuously outward through the Solar System. Note. this is a very large programme and also web site - the homepage has a large interactive graphic.- Ulysses home page (NASA and ESA) - The primary results of the mission have been to discover at these high latitudes theproperties of the solar corona, the solar wind, the heliospheric magnetic field, solar energetic particles, galactic cosmic rays, solar radio bursts and plasma waves. Other investigations include study of cosmic dust, gamma ray bursts, and studies of the Jovian magnetosphere obtained during the Jupiter fly-by. This phase of its mission is now successfully completed, Ulysses has now embarked on a second orbit of the Sun; it will for the first time investigate the high latitude properties of the solar wind during the maximum of the solar activity cycle.
523.985 Satellites of Jupiter
The following 4 links are from Views of the Solar system (Calvin J Hamilton) very comprehensive links and excellent summary information on the main features and science.
Europa
Io
Callisto
Ganymede
Galileo Project Information (NSSDC) - many topics covered about the 4 moons - scientific results and discoveries being made by the Galileo space craft
523.986 Satellites of Saturn
Cassini-mission to Saturn (NASA,JPL) - The Cassini Mission is designed to do a detailed study of Saturn, its Rings, its Magnetosphere, its Icy Satellites, and Titan. October 1997 launch.
These pages maintained by Dr Georg R Douglas, Hamrahlíð College, 105 Reykjavík, Iceland