Solar System Mercury Venus Earth Moon
Mars Jupiter Saturn Uranus Neptune
Pluto Comets Asteroids Meteors Deep Sky
SETI Observatories Spaceprobes Magazines Miscellaneous
Irish Interest Societies Mir International Space Station

Solar System
The Nine Planets
The Nine Planets provides an overview of the history, mythology, and current scientific knowledge of each of the planets and moons in our solar system. Each page has text and images and some have sounds and movies
Views of the Solar System
Views of the Solar System contains a wealth of information about the Sun, planets, satellites, asteroids, comets and meteoroids
A Space Library
This excellent site allows you to simulate what the solar system looks like, at any time, provides browsable planet maps and artwork, rendered spacecraft models and much more
Solar System Live
An interactive orrery on the web. Controls allow you to set time and date, viewpoint, observing location, orbital elements to track an asteroid or comet, and a variety of other parameters.
Coronal Mass Ejection Prediction Page
Coronal mass ejections, or CMEs, are violent discharges of material from the Sun's outer atmosphere. The ejected material can travel at speeds of up to a million miles per hour. If this flow of charged particles and embedded magnetic field collides with Earth, it can dramatically disrupt Earth's geomagnetic field and ionosphere
Yohkoh Public Outreach Project
The Yohkoh Movie Theater (YPOP) is designed to bring you images and movies depicting our nearest star, the Sun, as seen by an X-ray telescope on board the Yohkoh satellite. The YPOP site includes a range of activities for youngsters, parents, teachers and anyone interested in learning more about the Sun.
SOHO Real-Time Data
The latest 48 hours worth of data from the SOHO satellite are available as both MPEG and animated GIF movies. The movies are updated every hour that the ESA are in real-time contact with the satellite.

Information, pictures and animations on the solar system's innermost planet

The Face of Venus
Learn about the surface of the planet Venus through hypertext documents and the interactive databases of craters and coronae
Venus FMAPs
The USGS Branch of Astrogeology has produced a set of digital full-resolution radar maps (also known as FMAPs) of Venus

Mission to Planet Earth
NASA program which strives to discover patterns in climate that will allow predictions of environmental events - such as floods and severe winters - well in advance
World Population Clock
The projected world population for the time and date at which you access this page
NASA Observatorium: Planet Earth
Illustrates NASA's efforts to understand how the Earth is changing and how human beings influence and are influenced by these changes
The Aurora Page
Information, links and images about the "Northern Lights"



Galileo - Countdown to Jupiter
Huge NASA site dealing with all aspects of the Galileo mission
The Galileo Homepage
Part of NASA's Galileo site, this lists recent mission photos and various links
The Galileo Messenger
Electronic magazine dedicated to the Galileo Probe. Current and previous issues are listed
Galileo Probe
Tells the story of the Galileo Probe, which separated from the Orbiter and descended into Jupiter's atmosphere in 1995
Europa Clickable Maps
Low, medium and high resolution maps of Europa which can be clicked for more detailed views of features

Cassini Probe to Saturn
Huge NASA site dealing with all aspects of the Cassini mission, featuring mission info, scale models, artwork, movies, etc
Cassini - Sailing to Saturn
A 'How-To' guide for reaching the ringed planet (from Discovery Channel)
Cassini To Saturn
Launched on October 15th, the Cassini spacecraft will reach Saturn in July 2004 where it will stay for four years. National Space Society site featuring all the links you could need on the mission
ESA's Huygens Probe
The Huygens Probe is now on its seven-year journey to Saturn's moon Titan, aboard NASA's Cassini spacecraft
CNN: Journey to Saturn
The Cassini mission is not only one of the most expensive ever, costing $3.4 billion, it's also one of the most controversial -- the Cassini rocket is carrying 72 pounds of plutonium -- the most ever launched into space

William Herschel's passionate interest in astronomy led to his discovery of the seventh planet in 1781. This site presents discovery information and other facts about the planet

Neptune was the first planet located through mathematical predictions rather than through systematic observations of the sky. This site presents discovery information and other facts about the planet

The Pluto-Kuiper Express
NASA is now developing a robotic reconnaissance mission to Pluto-Charon with a goal of encounters with Pluto and Charon around 2010 or later
Facts and information about the furthest planet from the Sun (and its satellite)
Marc Buie's Pluto Page
Marc Buie of Lowell Observatory maintains a page the tiny planet, and has been taking advantage of its current favourable position to do lots of observations

Comet Observation Home Page
NASA run page for comet watchers
Observable Comets
This page lists links to orbital elements and ephemerides of (potentially) observable comets
Small Comets
Every few seconds a "snowball" the size of a small house breaks up as it approaches Earth and deposits a large cloud of water vapor in Earth's upper atmosphere. This page is devoted to news on these comets
Kuiper Belt Homepage
Starting in 1992, astronomers have become aware of a vast population of small bodies orbiting the sun beyond Neptune. There are at least 70,000 "trans-Neptunians" with diameters larger than 100 km in the radial zone extending outwards from the orbit of Neptune (at 30 AU) to 50 AU

Near Earth Asteroid Rendezvous
As the first spacecraft to orbit an asteroid, the NEAR mission promises to answer fundamental questions about the nature and origin of near-Earth objects
Asteroid and Comet Impact Hazards
The Earth orbits the Sun in a sort of cosmic shooting gallery, subject to impacts from comets and asteroids. Near Earth Objects pose a significant hazard to life and property
The Spacewatch Project
A programme designed to investigate the collisional evolution of the solar system
IAU: Minor Planet Center
Responsible for the efficient collection, (computation,) checking and dissemination of astrometric observations and orbits for minor planets and comets
Asteroid and Comet Impact Hazards
The Earth orbits in a cosmic shooting gallery, subject to occasional random hits by comets and asteroids. Impacts by objects a mile or more across can devastate the planet's environment

Meteor Showers for 1998
A complete list of this year's meteor showers.
The Meteorite Exchange
For buyers, sellers, finders and hunters - and the just plain curious
The International Meteor Organisation
IMO oversees the collection of meteor observations from all around the world
Anomalous Meteor Phenomena
Deals with meteors emitting sounds and a range of anomalous meteor phenomena (AMP) recorded by observers throughout the world

Deep Sky
NGC/IC Project
The NGC/IC Project is a collaborative effort between professional and amateur astronomers working together to correctly identify all of the original NGC and IC objects
Black Holes and Neutron Stars
Understanding the nature of black holes and neutron stars can lead to a better understanding of how our Universe works
Erk's Black Hole Pages
These pages carry a collection of obscure and unusual stuff about black holes

Dunsink Observatory
Site of the oldest scientific institution in Ireland, Dunsink Observatory is situated on a hill 8km northwest of Dublin's city centre
European Southern Observatory
A European organisation for astronomical research comprising eight member countries which operates astronomical observatories in Chile
SkyView Virtual Observatory
SkyView is a Virtual Observatory on the Net generating images of any part of the sky at wavelengths in all regimes from Radio to Gamma-Ray
Bradford Robotic Telescope Observatory
The Bradford Robotic Telescope is 46cm and totally autonomous. located high on the moors in West Yorkshire, England. The telescope decides when the conditions are good enough to make observations of the sky by itself
SCUBA for the James Clerk Maxwell Telescope
SCUBA is a new bolometer camera for the James Clerk Maxwell Telescope operating at submillimetre and millimetre wavelengths
CWRU Nassau Robotic Telescope
The Nassau Station is located in Ohio. Eventually, there will be an interface to allow automatic observations for the general public via the internet.
Paranal Observatory
The Paranal Observatory comprises four 8 meter Unit Telescopes, a comprehensive first generation Instrumental Package for their 12 focii, as well as a combined focus for Interferometry. The observatory is located on Cerro Paranal, in the Atacama desert in northern Chile

JPL's offical page for the mission toSaturn named in honour of the seventeenth-century, French-Italian astronomer Jean Dominique Cassini
Project Galileo
Provides an extensive collection of images and data from Jupiter, a brief introduction mission highlights and news.
ESA's Huygens probe is heading for Titan, Saturn's largest moon, aboard NASA's Cassini spacecraft. Details mission info and objectives
Voyager Project
NASA page covering Voyager's past and extended mission to characterize the outer solar system environment and search for the heliopause boundary, the outer limits of the Sun's magnetic field and outward flow of the solar wind.
Stardust Home Page
NASA site for the space mission that will fly close to a comet and, for the first time ever, bring cometary material back to Earth for analysis by scientists worldwide
EXN site dedicated to the Stardust mission to Comet Wild 2.
The WIRE Mission
The Wide-Field Infra_Red Explorer is a satellite whose mission is to study the history of star formation.
NASA's Wide Field Infrared Explorer website. The primary purpose of WIRE is a four month infrared survey of the universe, focusing specifically on starburst galaxies and luminous protogalaxies.

Sites of Irish Interest
Armagh Planetarium
As Ireland's premier science centre, the Armagh Planetarium aims to reveal the wonderful goings on that every human on this planet has a right to know
Dunsink Observatory
Site of the oldest scientific institution in Ireland, Dunsink Observatory is situated on a hill 8km northwest of Dublin's city centre
Armagh Observatory
The Armagh Observatory is a modern astronomical research institute with a rich heritage. Founded in 1790 by Archbishop Richard Robinson, the Observatory is one of the UK and Ireland's leading scientific research establishments.
Birr Castle Demesne
This site is based around the construction, astronomical discoveries and recent restoration of the Birr Castle Telescopes. For almost three quarters of a century, between the years 1845 and 1917, the 72 inch telescope, situated near the middle of Ireland, remained the largest optical telescope in the world.
Cork Astronomy Society
The Cork Astronomy Club has been in existence for many years, its present meeting place is the Civil Engineering Department, University College Cork and meetings are usually on the first Monday of the month..
Trinity Astronomy and Space Society
Set up in April 1995, TASS aims to introduce the subject of astronomy to a wider audience and to facilitate the development of this interest amongst their members
SEDS - Limerick
SEDS is an international organisation which provides opportunities for students to get involved in the many aspects and disciplines of the space industry

Cork Astronomy Society
The Cork Astronomy Club has been in existence for many years, its present meeting place is the Civil Engineering Department, University College Cork and meetings are usually on the first Monday of the month..
Trinity Astronomy and Space Society
Set up in April 1995, TASS aims to introduce the subject of astronomy to a wider audience and to facilitate the development of this interest amongst their members
The Irish Astronomical Society
Founded in 1937, the IAS (Irish Astronomical Society) welcomes people of all ages and interest in Astronomy, no matter what their level of experience
Tullamore Astronomical Society
The object of the society (founded in 1986) is to promote interest in astronomy and allied subjects. With this in mind the society intends to build a permanent Observatory in the Tullamore area
British Astronomical Association
The British Astronomical Association is a national organisation, founded in 1890, which encourages amateur astronomy through meetings, sectional groups and its publications
Society for Popular Astronomy
The Society for Popular Astronomy brings astronomy to everyone. Whether you are young or old, a beginner or an experienced skywatcher, you'll get a great deal from the SPA
The Planetary Society
The Planetary Society is your connection to the exploration of the cosmos and the search for extraterrestrial life and intelligence
American Lunar Society
A society interested in lunar astronomy, exploration, exploitation of resources, and even historical subjects such as lunar mythology and the history of lunar astronomy
Irish Astronomical Association
The I.A.A is a society for everyone who is interested in astronomy or space exploration. Some are Professional Astronomers, but most are ordinary members of the Public who simply have a fascination with all the wonderful objects and beautiful sights in the heavens
Shannonside Astronomy Club
The Shannonside Astronomy Club is composed of members who share a common interest in the various aspects of astronomy. They are based in the Limerick/Clare/Tipperary/North Cork area in the mid-west of Ireland.

Search for Extra-Terrestrial Intelligence
A grand experiment to harness the spare power of hundreds of thousands of Internet-connected computers in the Search for Extra-Terrestrial Intelligence
Datania SETI@home Discussion Forum
A forum where you can discuss with others what's happening with the SETI@Home project and find out about any problems involved with the software
SETI@Home Mailing List
Run by the Spaceviews site, this details how to subscribe to their mailing list which is dedicated to the SETI@Home project
Yahoo SETI Club
A forum for all those interested or involved in SETI. This Yahoo hosted site features news, a bulletin board, a chat room and other SETI related material.
The Search for Distant Voices
An interactive guide to the search for extraterrestrial intelligence provided by MSNBC.
SETI Institute
The SETI Institute serves as a home for scientific research in the general field of Life in the Universe with an emphasis on the Search for Extraterrestrial Intelligence
The Center for the Study of Extraterrestrial Intelligence is the only worldwide organization dedicated to establishing peaceful and sustainable relations with extraterrestrial life forms
SETI Australia Centre
The SETI Australia Centre is concerned with research, education and public outreach connected with the Search for ExtraTerrestrial Intelligence
The Planetary Society's 'Search'
The Planetary Society is one of Earth's premier organizations that actively supports the search for extraterrestrial life and intelligence. This new site is your guide to the excitement of this far-reaching search
Big Ear Radio Observatory
Big Ear is a radio telescope which covers an area larger than three football fields. The telescope is famous for discovering some of the most distant known objects in the universe, as well as the "Wow!" Signal
Looking for Life
MSNBC site offering links to a number of SETI related sites and issues
Encounter 2001
In the year 2001, a small spacecraft with the writings, drawings, photos and DNA samples (in the form of human hair) of millions of people from around the world will be launched on a journey beyond the solar system.
SETI’s highlights: Is there life after 40?
Another MSNBC site which looks at the last 40 years of SETI
Webcams at Arecibo Observatory following Project Phoenix. Updated every 2 minutes.
Optical SETI
The search for extraterrestrial intelligence in the optical spectrum.

Ask the Astronomer
For the last several years astronomer Sten Odenwald has been answering questions about astronomy posed by visitors to his "Astronomy Cafe" Web site
Dragon in Space
This unofficial site covers China's presence in space
Rotary Rocket Company
There is a quiet revolution underway - a 'Revolution to Orbit.' In a little under two years, Rotary Rocket Company will begin to operate the Roton, a single-stage-to-orbit space vehicle. The Roton will be the world’s first, fully reusable, piloted, commercial space vehicle.
Starchaser Foundation
This UK group believes that the space frontier is about to open in a way analogous to the way in which the American west opened up some 150 years ago.