relativity, cosmology, astronomy, special relativity, general relativity, astrophysics, Einstein’s relativity, spacetime, cosmos

SOA Links

International Astronomical Union (IAU) – Astronomical Headlines

Active Galactic Nuclei (AGNs)
Spectrum Comparison of Various AGNs
The International AGN Website
Hubble Images of AGNs and Quasars
Markarian 421
NGC5128 (Centaurus A)
An Introduction to Active Galactic Nuclei
Variability of Active Galactic Nuclei
X-Ray Astronomy II-Active Galactic Nuclei: University of Tubingen Lecture
Adaptive Optics
Adaptive Optics Tutorial
Correcting the Turbulence-Deformable Mirrors
Wavefront Sensors
Laser Guide Stars
Multi-Conjugate Adaptive Optics
Arp Peculiar Galaxies
Harlton C. Arp and Peculiar Galaxies
Atlas of Peculiar Galaxies
Astrobiology
Galactic Habitability Zone
Asteroids, Impact-Related
Cornell News: Asteroid Impact Study
Ecologically Important Meteor Craters of the World
Impact Probabilities
NASA Spaceguard Survey
Stopping Killer Asteroids
Threat of Killer Asteroids Downgraded
Astronomy in Ancient Civilizations
Introduction to Archeoastronomy
Valley City State University’s Medicine Wheel
Ancient Astronomy in Africa
Ancient Greeks Mathmatics, Geography and Astronomy
An Overview of Ancient Greek astronomy.
A Collection of Links About Ancient Astronomy
A brief biography of Anaximander of Miletus, the “father of astronomy”.
Information About the Astrolabe.
A Collection of Nearly 2000 Historic Instruments Used in Astronomy.
Historic astronomical instruments and telescopes at the University of Bologna.
Pre-Telescopic Astronomical Instruments and Discoveries They Helped Make.
A Historical Exhibition of Celestial Atlases.
Nazca pampa Markings
Archeocosmology/Archioastronomy/Archeoarcheology
Archeocosmology
Archeoarcheology in Ireland
Astronomy & Scientific Publication Websites
Astronomer, The
Astronomy Magazine Website
Astronomy Now Magazine
Nature
Science Magazine
Scientific American
Sky & Telescope Magazine Website
Astrobiology and Exobiology
Astrobiology Magazine
Astrobiology at NASA
NASA Astrobiology Institute
Cold Methane Environments on the Ocean Floor
Images of Methane Iceworms
The Origins Program
The Miller-Urey Experiment
Origins of Life
Extremophiles
The Astrobiology Web
Viking Mission to Mars
The Search for Life on Mars
Astrophysics
Brookhaven Heavy Ion Collider
The Particle Adventure
Fermi National Lab
Heisenberg’s Uncertainty Principle
Origin of the Elements
Big Bang Nucleosynthesis
Big Bang Nucleosynthesis-2
Center for Astrophysics and Space Science-U of C
N-Body Simulation Animations
Big Bang Science-Exploring the Origin of Matter
String Theory
Biographies
Adams, John Couch
Anderson, Carl David
Aristarchus
Barnard, Edward Emerson
Bell, Jocelyn
Bohr, Niehls
Boltzmann, Ludwig
Brahe, Tycho
Cannon, Anne Jump
Cassini, Giovanni Domenico
Coud, Preston
Copernicus, Nicholas
Cox, Allen
Curie, Marie
Doppler
Einstein, Albert
Eratosthenes of Cyrene
Eudemus of Rhodes
Gauss, Carl Friedrich
Heisenberg
Helmhotz, Helmholtz
Hipparchus of Rhodes.
Hubble, Edwin: Biography by Alan Sandage
Hutton, James
Hypsicles of Alexandria.
Ibn Yunus, Egyptian astronomer
Jeans, Sir James
Kelvin
Kepler, Johannas
LaSalle, William
Leavitt, Henrietta
Le Verrier, Urbain Jean Joseph
Maxwell, James Clerk
Oort, Jan Hendrik
Pickering, Edward C.,
Planck, Max
Shapley, Harlow
Slipher, V.M.
Stefan, Josef
Thales of Miletus
Thomas (Lord Kelvin)
Truve, Merle
Van Allen, James
Wegener, Alfred
Whipple, Fred
Whipple, Fred. L.
Wien, Wilhelm
Black Holes
Black Holes
Black Holes-An Introduction
Gamma Rays from Black Holes and Neutron Stars
More on Black Holes
Accretion Disk in Binary System
Schwarzschild’s Spacetime:Introducing the Black Hole
Black Holes-Field Guide
Hubble Confirms Existance of Supermassive Black Hole
Hubble Uncovers Dust Disk around a Massive Black Hole
Massive Black Holes Dwell in Most Galaxies
Chandra Clinches Case for Missing Link Black Hole
M31 Black Hole
M82’s Middle Mass Black Hole
M82-SEDS Database
Earth Dragging Space and Time as it Rotates
Lageos 2
Penrose Diagrams
Falling Into a Black Hole
Related Black Hole Links
Special Relativity
Black Holes and Neutron Stars
The Particle Adventure
The Science of Particle Physics-Fermi Lab
Microlensing Black Holes
Hubble Views Centaurus A
Black Hole in Anromeda Galaxy M31
Supermassive Black Holes in Galactic Nuclei
Supermassive Black Holes in Inactive Galaxies
The Physics of Quasars
Quick Reference Basic Data on Quasars
Quasars: Research Links for Students
Brown Dwarfs
The Discovery of Brown Dwarfs
First Clear Evidence of the Existence of a Brown Dwarf
Observations of Young Brown Dwarfs
CCD Technology
Evolution of CCD Technology
Charge Coupled Devices-The Silicon Chip
CCD Used in X-Ray Detection
CCD University – Apogee Instruments
Celestial Images from the Anglo-Australian Observatory (AAO)
Anglo-Astralian Observatory Images: Star Trails
Cepheid Variable Stars
Cepheid Variable Stars in M100
The ABC’s of Distances
Chondrules
Dry Droplets of Fiery Rain
Comets
Comets-The Nine Planets:
Comets-View of the Solar System:
Comet Hale-Bopp
Comet Hale-Bopp-Images and Spectra
Comet Shoemaker-Levy 9 Home Page
Historical Comet Observations
Comet Hyakutake
ROSETTA-Mission to Study the Origin of Comets
CONTOUR-Comet Nucleas Tour Misson
VLT Observes Comet LINEAR Shower
Asteroid and Comet Impact Hazard
A Brief History of Comets-1
A Brief History of Comets-2
Constellations and their Stars
Alphabetical Listing of the Constellations
Constellations and Their Stars
Cosmic Dust
Cosmic Dust

Cosmology

Cosmology Tutorial
Cosmoloty Frequently Asked Questions
Cosmology for Beginners – Part I
Cosmology for Beginners – Part II
Introduction to Cosmology
Dating the Universe with Uranium
Discovery of the Cosmic Microwave Background
COBE-The Cosmic Background Explorer
Galaxies Cluster Toward the Great Attractor
VLT Observations Cofirm the Universe Was Hotter in The Past
Microwave Fluctuations, Cosmic
Balloon Observation of Milimetric Extragalactic Radiation and Geophysics
Millimeter Anisotropy Experiment Imaging Array
Evidence for a Flat Universe
Dark Energy and the Microwave Background
The Supernova Cosmology Project
The Hi-Z Supernova Search
News of the Accelerating Universe
New Evidence for Dark Energy
Microwave Anisotropy Probe
Cosmology For Beginners
The ABC’s of Distances
Dark Energy
Dark Energy
Dark Matter and Light Energy
Dark Energy and the Microwave Background
New Evidence for Dark Energy
Dark Matter
Dark Matter
Dark Matter-2
Dark Matter-Introduction
Dark Matter-Search Results
Image of Dark Matter Density
New Light on Dark Matter
WIMPS in Dark Matter
CDMS-Cryogenic Dark Matter Search
Dark Matter Tutorial
Earth
Blue Marble 2000
Earth from Space: Astronauts’ View of the Home Planet
The Nine Planets: Earth
Views of the Solar System: Earth
Understanding Earth
Plate Tectonics,The Story of
Plate Techtonics, Introduction
Seafloor Spreading
Earth Observatory
El Niño
La Niña
Magnetosphere
Earthquakes
Earthquake Information from the USGS
Eclipses
Information about the August 11, 1999 Eclipse
Information about Past and Future Eclipses
Electron, The
The Discovery of the Electron
Einstein, Albert
Einstein: Image and Impact
Einstein’s Legacy
Einstein’s Great Acheivements
Einstein’s Equation
Einstein and Quantum Mechanics
Galaxies
Abell 2142
Birds Eye View of a Galaxy Collision
Coma Cluster
Galaxy Transformations
Hubble View of Interacting Galaxies
Galaxy Collisions-The Antennae
Grazing Encounter Between Two Galaxies
Galaxies Cluster Toward The Great Attractor
Stellar Fireworks Accompanying Galaxy Collision
Color Technique for Finding High Redshift Galaxies
Detailed Astrophysical Properties of Lyman Break Galaxies
Lyman-Break Galaxies
The Properties of Lyman-Break Galaxies at Redshift z ~ 3
Merger of the Milky Way and Andromeda Galaxies
Local Group-Metamorphosis
Fine-grained Phase Space Structure In Merger Remnants
2MASS Atlas of Galaxies Image Gallery
Ultraviolet Imaging Telescope-Galaxy Image Gallery
The Galaxy Catalog at Princeton
The Galaxy Image Catalog-AAO Gallery
NSSDC Image Gallery: Galaxies & Globular Clusters
Galaxies: Ours-The Milky Way
A Milky Way Band
7000 Stars and the Milky Way
The Milky Way Near the Southern Cross
The Milky Way Near the Northern Cross
Globular Star Clusters
VLT Images-Star Clusters
Messier 55
Messier 55 in Color
Variables in Globular Cluster M55
The Infrared Univers-Our Galaxy
The Multi-Wavelength Milky Way
NGC4565 The Needle Galaxy
Messier 83
2MASS Atlas of Galaxies
Dark Matter Mystery
Multiwavelegth Astronomy Within Our Galaxy
Galactic Center Newsletter
Black Hole at the Center of Our Galaxy
Sagittarius A*
The Milky Way Galaxy
The Local Group
COBE IR View of the Milky Way
Our Own Galaxy-The Milky Way
The Structure of the Milky Way
The Stars of the Milky Way
Notable Nearby Stars
Catalog of Milky Way Globular Clusters
Timeline of Discoveries About the Milky Way
Dr. Harlton Arp and the Peculiar Galaxies
Arp Atlas of Peculiar Galaxies
ESO-VLT Galaxy Catalog
Hubble Space Telescope Galaxy Catalog
Large Magellanic Cloud
Large Magellanic Cloud in X-Ray
Small Magellanic Cloud
N81-Star Cradle in SMC
Sagittarius Dwarf Galaxy
Local Group
Hercules Cluster Galaxies
Local Standard of Rest – Velocity of Calculator
Local Standard of Rest
Galileo
Galileo Exhibit, Museum of History & Science, Florence, Italy
Galileo Project
Related Weblinks Pertaining to Galileo
Gamma Ray Bursters
Gamma Ray Bursters
BATSE Sky Map of Gamma Ray Bursts
Robotic Telescope Captures Gamma Ray Burst
Ringside Seat for a Gamma Ray Burst
Coalescing Neutron Stars and Gamma Ray Bursters
Are Gamma Ray Bursters Supernovae?
What Gamma Ray Bursters are Not
Gamma Ray Busts May Start in Star Forming Regions
INTEGRAL International Gamma Ray Astrophysics Laboratory
GLAST-Gamma Ray Large Area Space Telescope
HETE-2 High Energy Transient Explorer
SWIFT
Backyard Gamma Ray Bursts
Catching Gamma-Ray Bursts in the Act
GRB 990712
Gamma-ray Bursts from the HETE Mission
Calculation of Gamma-Ray Dose from GRBs and Nearby Supernovae
Closest Gamma Ray Burster
Geology
Geology, A Short History
History of Geology Links
Global Warming
U. S. Environmental Protection Agency: Global Warming
Spotlight: Climate Change
Globular Clusters
NSSDC Image Gallery: Galaxies and Globular Clusters
Gravitational Lensing
Gravitational Lensing-Hubble
Gravitational Lensing-VLT Galaxy Clusters
Gravity
Gravity – The Pioneer Anomaly
Gravity Waves
Gravity Waves
Gravity Waves from a Binary Pulsar
LIGO Gravity Wave Observatory
VIRGO Project-Gravity Wave Observatory
LISA – Laser Interferometer Space Antenna
Related Experiment Websites-Gravitational Waves
Great Debate-Curtis/Shapley
Background Issues and Aftermath
Great Debate: Glossery of Terms Used
Great Debate: Review and History
Shapley’s Scientific Record
The Curtis-Shapley Debate in 1920
The Great Debate: What Really Happened
The Great Debate: Review and History
The Universe and the Curtis-Shapley Debate: Lecture
Transcript of the Great Debate
Why the Debate was Important
Herbig-Haro Objects
Herbig-Haro Jets
Herbig-Haro Jets in a Three-Star System
Hubble Space Telescope
Public Information About the Hubble Space Telescope
ESA (European Space Agency) Hubble Site
Infra-Red Astronomy
Introduction to Infra-Red Astronomy
Infrared Astronomy Overview
Infrared Astronomy
2MASS Sky Survey Home Page
Interferometry
Michaelson Science Center-Interferometry
Palomar Testbed Interferometer
Keck Interferometer
Space Interferometer Mission
Terrestrial Planet Finder
Light
About Rainbows
Light and Optics
Light – Ancient Greece to Maxwell
Light – Relativity and Quantum Era
Light, Bending
Light, Deflection by Gravity
Light – Is the Speed of Light Constant?
M1,The Crab Nebula
SEDS Database: M1 The Crab Nebula
The Crab Nebula Viewed by the VLT
M20,The Trifid Nebula
SEDS Messier Database: M20
M31, The Andromeda Galaxy
M31, The Andromeda Galaxy
Black Hole in M31
M32
M32
M42, The Orion Nebula
SEDS Messier Database: M42
The Orion Nebula, M42 and M43
Anglo-Australian Observatory Home Page
M51
M51
M82
M82
M84
M84
M86
M86
M100, Galaxy
SEDS Messier Database: M100
Messier 100 (NGC4321) in the Virgo Cluster
Cepheid Variable Stars in M100
M110
M110
Messier Objects
SEDS Messier Catalog
Magnetic Fields, Planetary
Creation of Planetary Magnetic Fields
Creation of Planetary Magnetic Fields-2
Dynamos
Earth’s Magnetic Field
Electrons and Ions in Plasma
Generating Magnetism
Magnetism
Planetary Alignment and Magnetic Field Interactions
Planetary Magnetic Fields
Planetary Magnetic Fields Project-Swinburne Page
Planetary Magnetism-A Brief Overview
Magnetic Field Reversals
Terrestrial Planetary Magnetic Fields
The Invisible World of Magnetic Fields
Meteors
The Barringer Metror Crater
Terrestrial Impact Craters
Meteors, Meteorites and Impacts
ANSMET-The Antarctic Search for Meteorites
Meteors and Native Americans
Meteorology
Meteorology, A Brief History
Meteorology, A Short History
Missing Mass
What is the Missing Mass Problem?
What is the Missing Mass Problem?-2
Clues to Missing Matter
Cosmology at the Millenium
Dark Energy
Dark Matter
Dark Matter-2
Dark Matter-Introduction
Dark Matter and Light Energy
High-Z SN Search Description
Is the Missing Mass Really Missing?
Missing Mass Brown Dwarfs?
Missing Mass Resolution
Missing Mass Spotted
Modified Newtonian Dynamics (MOND)
WIMP Detection
Virial Theorum
Moon, The
History, Mythology and Current Knowlege of the Moon
The Moon-Views of the Solar System-Information about the Moon
Planetary Science Research Discovereies
Extensive Lunar Weblinks
Virtual Realisty Moon Phase Pictures
Earth and Moon Viewer
Lunar Impact Crater Geology and Structure
The Lunar Farside from Luna3
Exploring the Moon
NSSDC Lunar Image Catalog
NSSDC Lunar Exploration Website Links
Ranger Mission to the Moon
Apollo 17-The Last Manned Mission to the Moon
Apollo Lunar Surface Journal
Surveyer Mission to the Moon
Clementine Program
Lunar Prospector Program
The Moon’s Core
The Moonrock Collection
Lunar Exploration Website
Historical Theories of the Moon’s Motion
History of our Understanding of Tital Interactions
Moon Size Illusion
Moon Size Illusion-2
Newton’s Theory on Lunar Motion
Perturbations in Lunar Inclination
Newton, Isaac
Newtonia
Newton, Isaac-Collection of Links
Neutrinos
Solar Neutrino Experiments
Neutrinos-Gallex Experiment
Super-Kamiokande Neutrino Detector
Sudbury Neutrino Observatory
Borexino Solar Neutrino Experiment
An Introduction to Neutrino Astronomy
KAMIOKANDE Underground Observatory
Irvine Michigan Brookhaven Experiment (IMB)
Supernova in M81
Radio Images of Supernova 1993J
An Introduction to Supernovae Remnants
Images of Supernova Remnants from AAO
Chandra Maps Vital Elements in Supernova
Cassiopeia A at Many Wavelengths
X-ray Star Stuff
Advanced CCD Imaging Spectrometer (ACIS)
Neutron Stars
Supernova 1054 – Creation of the Crab Nebula
What is a Pulsar?
Jodrell Bank Pulsar Research
Frontiers in Astrophysics-Pulsar Astronomy Lecture Slides
A Tutorial on Radio Pulsars
High Energy Astrophysics-Pulsars
Neutron Stars-Introduction
X-Ray Binary Stars
Gamma Rays from Black Holes and Neutron Stars
Black Holes
Age of Pulsars
Hubble Sees Bare Neutron Star Streaking Across Space
M1-SEDS Database
Optical Images of Crabe Pulsar
An Introduction to Synchrotron Radiation
Chandra Looks At Neutron Stars
Chandra Images of Neutron Stars/X-Ray Binaries
An Introduction to Neutron Stars-M. Coleman Miller, niversity of Maryland
Lecture Notes-Neutron Stars-Professor Barbara Ryden, Ohio State
Magnetars Discovered
Synchrotron Radiation
An Introduction to Synchrotron Radiation
NGC 1973-1975-1977
NGC1973-1975-1977-Reflection Nebula in Orion
NGC 1850
NGC 1850
NGC 2363
NGC 2363
NGC 3310
NGC 3310 Starburst Galaxy
Observatories
VLA Home Page
High Energy Astrophysics Observatories
The Gamma-Ray Observatory
Occam’s Razor
Occam’s Razor
William of Ockham
Orbits and Gravitation
Orbits and Gravitation
Ozone Depletion
The Ozone Hole Tour
British Antarctic Survey Ozone Measurements
U.S. Environmental Protection Agency: Ozone Depletion
Periodic Table and Chemical Elements
The Periodic Table
The Comic Book Periodic Table of Elements
Physics
Dirac Equations
Electron Binding Energy
Electron Binding Energies in Atoms
Maxwell’s Equations
Mathematical Derivations of Maxwell’s Equations
Photon Mass
Tachyons
Planets, Extrasolar
The Extra-Solar Planet Encyclopedia
The Extra-Solar Planet Search
Planet Hunters on Trail of Worlds Smaller than Saturn
Microlensing Planet Search Project
A Search for Other Planetary Systems
Terrestrial Planet Finder
Planet Quest
Pulsars
Binary Pulsar Merger Time
Quantum Mechanics
A History of Quantum Mechanics
Antimatter
Quasars
A Typical Quasar PSK-1117-248
3C273 and it’s Jet
Astronomy Picture of the Day: Quasars
Anomalous Quasars
Chandra Views of Quasar Jet
Evolution of Quasars in Cosmic Time
Hubble Surveys Home of Quasars
HST Images of Quasars: Quasar Images for the Hubble Space Telescope
Hubble’s 100,000th Exposure Captures Image of Distant Quasar
3C273 From Chandra
3C273 and its Jet
Lyman-Alpha Forest
Quasars and Active Galaxies
Quasar Astronomy 40 Years On
Hubble Images of Quasars and AGNs
Quasars
Microlensing
MACHO Project Microlensing Alerts
Hubble Surveys the Home of Quasars
Frequently Asked Questions About Quasars
Survey of High Redshift Quasers
Quasar Totorial
Sloan Digital Sky Survey on 5.0 Redshif Quasar
Radio Astronomy
Ham Radio and Radio Astronomy
Cygnus A
Optical Jets in Radio Galaxies
Parks Radio Telescope User’s Guide
Radio Structure in Radio Galaxies
Nuclear Structure in Nearby 3C Radio Galaxies
Redshift
The High-Z Supernovae Search
2dF Redshift Survey
Sloan Digital Sky Survey
Relativity
Aether Theories
Aether – Classical Elements
Cosmological Constant
Cosmological Constant and the Effect on the Evolution of the Universe
Cosmological Constant, Observational Constraints
Doppler Effect, Relativistic
Field Equations, Einsteins
Frame Dragging
General Relataivity Tutorial
Gravity Speed
Gravity, Propagation Speed
Gravity Probe B: The Relativity Mission
Length Contraction
Light Cone-An Introduction to Relativity
Mass, Inertial and Gravitational
Minkowski Diagrams
MOND, Modified Newtonian Dynamics
Relativity on the World Wide Web
Relativity Tutorial
Relativity – A Brief History of Special Relativity
Relativity – A Brief History of General Relativity
Relativity-Graduate Level Course Notes and Papers
Relativity-An Introduction to General Relativity
Relativity-Lecture Notes on General Relativity
Shapiro Time Delay, Light Cone Effect
Space-Time Diagram
Time
Time Dilation
SETI-The Search for Extraterrestrial Intelligience
SETI Institute
SETI Australia
SETI at Harvard
SETI at U.C. Berkley
SETI Australia Center
[email protected] Project
Seyfert Galaxies
Seyfert Galaxies
Hubble Captures an Extraordinary and Powerful Active Galaxy
IC5063
M77
NGC1275
NGC1566-Seyfert Galaxy
NGC4151
NGC 7742, A Seyfert 2 Galaxy
NGC1275-Seyfert Galaxy
M87 at Various Wavelengths
The Spectacular Structure of M87
A Gallery of Seyfert Galaxies
The Circinus Galaxy
M77-SEDS Database
NGC1566
NGC4945
NGC7742
Solar System
The Nine Planets
A Multimedia Tour of the Solar System-The Nine Planets
The UAU Minor Planet Center
A Chronology of solar system discovery.
A History of Solar System Discovery
A Historical Summary of Theories of Solar System Formation
How theories about the origin of the solar system have developed over the past 200 years
How names are chosen for craters, mountains, and other surface features on the worlds of the solar system.
Asteroids-Near Earth Object (NEO) Page
Asteroids-Asteroid Radar Research
Asteroids-Radar Research-Introduction
Asteroids-The Nine Planets:
Asteroids-Views of the Solar System:
Asteroids and Comets
Astronomy Picture of the Day: The Ecliptic Plane
Callisto
Gaspra
Io
Europa
Europa-The Nine Planets:
Europa-Views of the Solar System
Galileo Project Home Page
Galileo Project: Europa
Gamymede
Jupiter-Hubble Views Ancient Storm in Atmosphere
Jupiter-The Nine Planets
Jupiter-Views of the Solar System
Jupiter Millenium Flyby
Jupiter-Voyager Flyby
Jupiter-False Color Mosaic of the Great Red Spot
Jupiter-Galileo View the Great Red Spot
Jupiter-Comet Shoemaker-Levy 9 Home Page
Jupiter-Comet Shoemaker-Levy 9 Impact
Jupiter-Metallic Hydrogen
Jupiter-Interior and Magnetosphere
Jupiter-The Discovery of the Galilean Satellites
Jupiter-Eruption on Io
Jupiter-The Story of Jupiter’s Rings
Jupiter’s Rings-A Continuing Story of Discovery
Kuiper Belt and the Oort Cloud
Mars-Archive of Articles About Mars
Mars-NASA History of Mars Exploration
Mars-The Nine Planets
Mars-Views of the Solar System
Mathilde
Mathilde-The Nine Planets
Moon, The
Neptune-The Nine Planets
Neptune-Great Dark Spot
Neptune-Neptune in Near Infra-Red
Neptune-Neptune, the Big Blue Giant
Neptune-Hubble Provides Look at Neptune’s Stormy Disposition
Neptune-Neptune’s Ring System
Planetary Science Research Discoveries
Pluto-Pluto and Charon Eclipse a Triple Star
Pluto-Pluto and Charon
Pluto-Pluto the Frozen Planet
Pluto-The Nine Planets Database
Pluto-The Struggle to Find the Nineth Planet by Clyde Tombough
Pluto-The Discovery of Charon
Saturn-Images of Saturn’s Aurora
Saturn-The Nine Planets Database
Saturn-Gallery of Saturn’s Ring System Images
Saturn-Historical Background on Saturn’s Ring System
Saturn-Saturn’s Ring System
Saturn-Description of Saturn
Saturn-A Change of Season on Saturn
Saturn-Exploring Saturn
Saturn-Exploring Saturn’s Rings
Saturn-Cassini-Huygens Mission to Saturn
Titan-The Nine Planets
Titan-Views of theSolar System
Titan-Views of the Solar System:
Titan-What we Know
Triton
Uranus-The Nine Planets Database
Uranus-Infrared Uranus
Uranus-Ring System
Uranus-Images
Uranus-Science Fact Sheet
Uranus-NSSDC Photo Gallery
Uranus-The Uranian Ring System
Venus-The Nine Planets
Venus-Views of the Solar System
Views of the Solar System-Overview
Views of the Solar System-Home Page
An Essay on the Mathematical Discovery of Planets
Hypathetical Planets

Space Flight
The Apollo Manned Space Program
The Apollo Program
Primer on Spaceflight Navigation
Apollo Progam Websites
Space Probes for Astronomical Research
BOOMERANG
Clementine Mission Overview
MAXIMA
NEAR Shoemaker
NEAR: Glimpses into Eros’ Shadows
NEAT (Near Earth-Passing Asteroid Tracking
Hipparchos Home Page
Hipparchos-Measuring the Universe
Full-sky Astrometric Mapping Explorer (FAME)
IRAS
ROSAT Images of Supernovae
ROSETTA-Mission to Study the Origin of Comets
The Rossi X-ray Timing Explorer
STARDUST-NASA’ Comet Sample and Return Probe
MAP – Microwave Anisotropy Probe
PLANK-ESO Astrophysics
SNAP-Supernova Acceleration Probe
ESA Mars Express
Spectrum, Electromagnetic
How the Radio Spectrum Works
Stars
The Nebula Around Antares
Stars: Antares
Sagittarius Star Cloud (SGR-I)
STARS
STARS Arranged by Spectral Class
The Nature of Stars
The Spectra of Stars
Star Names-A Brief Discussion
The Constellations and their Stars
Hipparchos-Tycho Catalog of the Nearest Stars
Barnard’s Star
Gliese 710
A Vanishing Star
Hi-Mass Star Formation
Hi-Mass Star Formation-The Omega Nebula
Star Charts on the Web
Sky & Telescope – This Week Sky at a Glance
Stellar Birth and ProtoPlanets
Hubble Picture Adds to Planet Making Recipe
Vast Stellar Discs Set Stage for Birth of Planet Birth
Dust Discs Around Young Stars
A Twist in a Suspected Protoplanetary Disc
The Birth of Stars
T-Tauro: A Prototype of Star Formation?
Hubble Observes the Fire and Fury of a Stellar Birth
A Star-Forming Region in Ara
The Orion Nebula-M42 and M43
M42-SEDS Database
The Horsehead Nebula (B33) and NGC2023
Emission Nebulae from AAO Gallery
Dust cloud Barnard 86 and open cluster NGC 6520
Dark Nebulae from AAO Gallery
Reflection Nebulae from AAO Gallery
Bok Gobules in IC2948
Young Stellar Discs
Embryonic Stars Emerge from Stellar Disc
Triggered Star Formation in the Cone Nebula
The Birth of Stars
Nuclear Fusion
Simulation of the Birth of the First Star in the Universe
Simulation of the Birth of the First Star in the Universe-Results
Stellar Evolution after the Main Sequence
A mass-loss star in IC 2220
Structure of a Post-Main Sequence Star
H-R Diagram from Hipparchos
Globular Clusters-SEDS Database
Mira-Omicron Ceti
Types of Variable Stars-AAVSO
Delta Cephi
Discovery of the Period-Luminosity Relationship for Cephieds
Algol
Beta Lyrae
Table of Nuclides
AAVSO – American Association of Variable Star Observaers
The Life Cycle of Stars
Life Cycle of Stars-Zoom Database
Stellar Death
Planetary Nebula NGC 6751
Old Star Clusters-M55
TT Cygni: A Carbon Star
Planetary Nebulae and the Future of the Solar System
Hubble Witnesses Final Blaze of Glory of Sun-Like Stars
Hubble Space Telescope Images of Planetary Nebulae
Planetary Nebulae Images from the AAO
A Dying Star in Globular Cluster M15
The Helix Nebula, NGC 7293
Hubble Captures the Shrouds of Dying Stars
The Hourglass Nebula
A Wolf-Rayet star in NGC 2359
A Wolf-Rayet Star Blows Bubbles
The Large Magellanic Cloud, LMC
The Tarantula Nebula and supernova 1987a in the LMC
An Introduction to Neutrino Astronomy
Onset of Titanic Collision Lights Up Supernova Ring
Star Death
The Death of Stars
What is the final end stage of the core of a star?
Death of small stars
Death of big stars and supernovae
Black Holes
The Model “O” Stars
The story of the star Sanduleak -69o 202
The story of Supernova 1987 A
Sun
The Nine Planets: The Sun
Views of the Solar System: The Sun
Solar Physics on the Web
Yohkoh Solar Observatory
Global Oscillation Network Group-Heliosiesmology
Kanzelhöhe Solar Observatory
SOHO Home Page
SOHO Extreme ultraviolet Imaging Telescope
Ulysses NASA Home Page
Ulysses ESA Home Page
Sunspots and the Solar Cycle
Magnetic Sun
TRACE-Transition Region and Coronal Explorer
Laboratory for Astronomy and Solar Physics-Solar Flare Theory
International Solar-Terrestrial Physics Page
Solar Data Analysis Center
White Dwarfs
Neutron Stars
Degenerate Neutron Pressure
Degenerate neutron Pressure-An Introduction
Supernovae and Neutron Stars-Dr. Jamie Love
Superfluidity
Superfluidity in the Interiors of Neutron Stars-J.A.Sauls, Northwestern University
X-Ray Bursters
Sunset and Sunrise Data, Tables of
Sunrise, Sunset, Moonrise, Moonset and Twilight
Supernovae
The High-Z Supernovae Search
Hubble Pinpoints Distant Supernovae
Synchrotron Radiation
Synchrotron Radiation
An Introduction to Synchrotron Radiation
What is Synchrotron Radiation?
Synchrotron Radiation-National Institute of Standards and Technology
Telescopes
Hobby-Eberly Telescope
Temperature
How Thermometers Work
About Temperature
Time
Time-A History of Classical Time
Time-A History of 20th Century Time
Timekeeping
Historical Exhibits on Time and Timekeeping
Time Service Department, U.S. Naval Observatory
TOPEX/Poseideon
TOPEX/Poseiden: Understanding Our Oceans & Climate From Space
Earth Observatory
Volcanoes
Volcanoes
The Electronic Volcano at Dartmouth College
Volcano World
World Time Zones
World Time Zones
X-Ray Astronomy
X-Ray Astronomy-An Introduction
The Rossi X-Ray Timing Learning Center
Z
The High-Z Supernovae Search

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