Space Sciences

Astronomy
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Astronomy

General Astronomy
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Celestial Mechanics
Space Physics & Astrophysics
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General Astronomy

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General
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Images & Movies
Observatories
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Planetaria, Star Maps, Eclipses, & Almanacs
Astronomical Software

Astronomy Textbooks & Reference Works

Encyclopedia of Astrobiology, Astronomy, and Spaceflight

Handbook of Space, Astronomy, & Astrophysics

From Stargazers to Starships, by David P. Stern

Specialty Dictionaries: Astronomy

General

Astronomy Online

Windows to the Universe

Universe Today - space news from around the Internet, updated every weekday

Curious About Astronomy

Sky & Telescope

The Electronic Sky

Earth and Sky

Night Sky This Week

WorldWide Telescope (WWT)

Astrometry.net

Cool Cosmos -- Infrared Astronomy

The Astrochymist

spacesounds

Space Audio

Analemma

The night sky in the World -- light pollution

Bad Astronomy

Astronomical Pseudo-Science: A Skeptic's Resource List

Astronomy Links Pages

AstroWeb Astronomy on the Internet

Intute: Astronomy

Academic Info: Astronomy

The NASA Astrophysics Data System

Astronomy Education

Astronomy Education

comPADRE - Resources for Physics and Astronomy Education

An Inquirer's Guide to The Universe (Franklin Institute)

The Astronomy Workshop

Astronomy for Kids

StarChild

History of Astronomy

History of Astronomy

Archaeoastronomy

Star Myths & Constellation Lore

Inventing the Solar System: Early Greek Scientists Struggle to Explain How the Heavens Move

Cosmic Journey: A History of Scientific Cosmology

Galileo Galilei

Eclipse Chasing with Maria Mitchell

Edward Emerson Barnard

Cosmic Journey: A History of Scientific Cosmology

Some Dates in the Exploration of the Magnetosphere

See also: History of Science & The Nobel Prize

Images & Movies

Astronomy Picture of the Day

Anglo-Australian Observatory Images

see also: Observatories, Sky Surveys, NASA, Jet Propulsion Laboratory, Satellite Pictures & Data, & various other entries on this page.

Observatories

Hubble Space Telescope

Chandra X-ray Observatory Center

Mount Wilson Observatory

Jodrell Bank Observatory

National Optical Astronomy Observatory

Milkyweb Astronomy Observatory Guide

Hands-On Universe

The Night Sky Live

National Virtual Observatory

Web Services for the Virtual Observatory

SkyView -- virtual observatory

Dog-Star Observatory -- amateur observatory, maintained by a friend of mine -- includes many observational drawings

Observational Mishaps

Timekeeping

A Walk Through Time

Calendar Studies

Calendopaedia -- The Encyclopedia of Calendars

Calendars Through the Ages

Horology -- The Index

NIST: Time and Frequency Division

The Measurement of Time

Indian Moons, Days, & Other Calendar Stuff -- Native Americans

See also: Archaeoastronomy

Planetaria, Star Maps, Eclipses, & Almanacs

Wikisky.org

Sky View Café

Solar System Live

Eclipse Home Page

3-D Star Maps

The Constellations and their Stars

Photographic Atlas of Selected Regions of the Milky Way, by Edward Emerson Barnard

Astronomical Software

AstroTips - Astronomy Freeware and Shareware

Freeware Home -- Astronomy

Sky & Telescope Astro Software

GeAstro Applet Collection

Software from COAA

Planetary Science

General Planetology
Our Solar System
Other Star Systems

General Planetology

Planetary Science Research Discoveries

Planetary Sciences at the NSSDC

Astronomy Workshop

The Solar System

General
Space Weather
Earth & Moon
Mars
Comets, Asteroids, & Meteors

General

The Nine Planets

JPL: Solar System

Planetscapes

Astrogeology Research Program

Solar System Exploration

Planetary Photojournal

Solar System Simulator

National Geographic Virtual Solar System

Gazetteer of Planetary Nomenclature

Views of the Solar System

USGS Astrogeology: Map-a-Planet

A Hand-Waving Derivation of Planethood

Kuiper Belt

See also: Planetaria, Star Maps, Eclipses, & Almanacs

Space Weather

Space Environment Center

SpaceWeather

The Earth & the Moon

Earth & Moon Viewer

Earth Sciences Page

Lunar Atlases

NASA World Wind and The Moon

Apollo Image Archive

Lunar Photo of the Day

Lunar rocks and thin sections

Virtual Reality Moon Phase Picture

Moon Calendar

Mars

Mars News

MarsToday.com

Mars Exploration

Google Mars

Mars Global Surveyor Mars Orbiter Camera Image Gallery

Mars Odyssey Mission THEMIS

Mars Weather Update

The Daily Martian Weather Report

Mars Meteorites

Mars Clickworkers -- Help NASA identify Martian craters

See aslo: Exploring Mars

Comets, Asteroids, & Meteors

Cosmic Football (The Natural History Museum, London)

Keeping an Eye on Space Rocks

The American Meteor Society

Meteorites & Their Properties

Meteorite Studies

A Photo Gallery of Meteorwrongs

Earth Impact Database

Canadian Meteorite Catalogue

New England Meteoritical Services

IAU: Central Bureau for Astronomical Telegrams -- Comet Notices

IAU: Minor Planet Center -- Asteroid Notices

Meteor Showers Online

Asteroid & Comet Impact Hazards

Earth Impact Effects Program

Earth Crossing Asteroids

Near Earth Object (NEO) Program

NEODys

Spaceguard Central Node

B612 Foundation

Stars, Nebulae, Clusters, & Galaxies

The Sun
Other Stars
Compact Objects
Nebulae
Galaxies
Sky Surveys

The Sun

Stanford Solar Center

Sun-Earth Media Viewer

Solar Max 2000

Stars & Related Objects

Stars

JPL: Stars & Galaxies

NASA/IPAC Extragalactic Database

IAU: Central Bureau for Astronomical Telegrams -- Nova & Supernova Notices

A Catalogue of Galactic Supernova Remnants

Brown Dwarfs

White Dwarf Database

The Twisted Tale of Wolf-Rayet 104 -- Spiral Star

Stardust@Home

Compact Objects

BlackHoles

Global simulations of accreting black holes

MPIfR Pulsar Group

Princeton Pulsar Group

Collapsar Model

'Magnetars', Soft Gamma Repeaters & Very Strong Magnetic Fields

Nebulae

Galactic Planetary Nebulae

The Messier Catalog

Galaxies & Galaxy Clusters

JPL: Stars & Galaxies

NASA/IPAC Extragalactic Database

The Messier Catalog

Galaxy Cluster Formation and Evolution

GalaxyZoo

Sky Surveys & Databases

SIMBAD Astronomical Database

NASA/IPAC Extragalactic Database (NED)

VizieR Service

Surveys at NRAO

STScI Sky Survey

Two-Degree Field survey

Sloan Digital Sky Survey

The Palomar Digital Sky Survey (DPOSS)

Two Micron All Sky Survey

RAVE - the Radial Velocity Experiment

Faint Images of the Radio Sky

Celestial Mechanics

A new solution to the three body problem - and more, by Bill Casselman

n body orbits applet

Interactive Experiments in Gravity

Astrophysics & Space Physics

Handbook of Space, Astronomy, & Astrophysics

Astrophysics Data System

High Energy Astrophysics Science Archive Research Center

The Astrophysics Visualization Archive

Nuclear Astrophysics, 1957-2007

Violence in the Cosmos

NASA's Cosmicopia -- cosmic rays

NOAO Spectral Atlas Central

See also: Cosmology, Gravity & Relativity & Plasma Physics

Cosmology

Cosmic Evolution (Wright Center for Science Education)

Cosmology: The Study of the Universe

Cosmology Tutorial

Grand Challenge Cosmology Consortium

the MOND pages

Why Is the Sky Dark at Night?

Berkeley Cosmology Group

See also: Astrophysics & Space Physics, Gravity & Relativity & Quantum Theory, Particles, Strings, Etc.

Space Exploration

General
NASA & JPL
Other Space Agencies
The Planetary Society
The National Space Society
Exploring Mars
Aerospace Technology
Space Medicine & Biology
Space Education & Employment
History of Space Exploration

General

Universe Today - space news from around the Internet, updated every weekday

Space News

Encyclopedia Astronautica

Encyclopedia of Astrobiology, Astronomy, and Spaceflight

UCS Satellite Database

Students for the Exploration & Development of Space (SEDS)

HobbySpace

Space Development & Science

FAS Space Policy Project

Beyond Earth

Living Universe Foundation

NEAR -- Near Earth Asteroid Rendesvous

B612 Foundation

NASA

NASA

Jet Propulsion Laboratory

NASA Human Spaceflight

Apollo Image Archive

Mars Exploration Program

The Space Place

J-Track -- Satellite Orbit Tracking

Other Space Agencies

World Space Guide

ESA -- Europe

China National Space Administration

Japan Aerospace Exploration Agency

Institute of Space and Astronautical Science (ISAS) -- Japan

CSA -- Canada

Indian Space Research Organisation

The Planetary Society

The Planetary Society

The National Space Society

NSS

Exploring Mars

JPL: Mars Exploration Program

Mars Society

Mars Express

Beagle 2

MarsQuest Online

Reaching for the Red Planet

Romance to Reality: Moon & Mars Expedition & Settlement Plans

See aso: Planetary Science: Mars

Aerospace Technology

Space & Tech Flash

Astronautics, Spacecraft Design, and Spacecraft Systems

The Aerospace Corporation

Tethers in Space Handbook

Space Technology Hall of Fame

Space Medicine & Biology

National Space Biomedical Reasearch Institute

NASA's Life Sciences Data Archive

Vanderbilt Center for Space Physiology and Medicine

Space Education & Employment

International Space University

University of North Dakota, Space Studies Master's Program

Space Jobs

History of Space Exploration

History of Space Exploration

RussianSpaceWeb.com

NASA Historical Archive for Manned Missions

Human Space Flight (HSF) - Space History

NASA History Office

Sven's Space Place

The Astronaut Connection

Clavius Moon Base -- debunking the moon hoax

Extraterrestrial Life

Extra Solar Planets
Exobiology
SETI

Extrasolar Planets

Extrasolar Planets Encyclopedia

Planet Quest

University of California Planet Search Project

transitsearch.org

Amateur Searches

Exobiology

General

The Astrobiology Web

NASA Astrobiology Site

Astrobiology Australasia

The Australian Centre for Astrobiology

Encyclopedia of Astrobiology, Astronomy, and Spaceflight

Life on Mars

Mars Meteorites

SETI

The SETI Institute

The SETI League

SETI at Home

SERENDIP

SETI Australia Centre

Planetary Society SETI Page

Columbus Optical SETI

Optical SETI at Harvard / Smithsonian

Berkeley Optical SETI

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