site's title and link back to the home page titre du site et renvoi à la home page de la version française simplifiée
button on the home page and the sectional pages, serving like a link (Monthly Sky) button on the home page and the sectional pages, serving like a link (News) button on the home page and the sectional pages, serving like a link (Tutorials) button on the home page and the sectional pages, serving like a link (Links) button on the home page and the sectional pages, serving like a link (Space) Home Page Version française Version française. Contenu

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Observation Theory

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Introduction
FAQs
The Solar System
The Solar System Advanced
The Earth
Celestial Mechanics
Stars
Our Milky Way Galaxy		Galaxies
Cosmology
Life in the Universe
Advanced Studies in Astronomy
Glossary
Some Science Extras

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Universe: Take the Tour!
Earth In the Universe. Where Are We?
The History of Astronomy
A 17th Century Attempt to Christianize The Night Sky!
40 Years in Astronomy: Astronomy During Last 40 Years		Some Time or Size Scales to Render the Dimensions of the Universe!
Speeds in the Universe
Temperatures in the Universe
Astronomers Largest Tools and Sites

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FAQs

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Solar System Figures
Solar System to Scale
Sun
The Sun as Seen From...
Solar System Planets
What If, Should you Live At... 		Moon
The Discovery of Pluto
Asteroids
The Discovery of Asteroids
Comets
Comet Shoemaker-Levy at Jupiter

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More About the Solar Wind
Solar System Moons
Impactors at Jupiter
The Transition Between Two 11-Year Solar Cycles
Some Data and Concepts About Mars 		Moon and Planetary Nomenclatures
Planetary Geology
Magnetospheres In the Solar System
Planetary Atmospheres
The Heliosphere

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Earth's Atmosphere
Earth's Interior
Earth's Magnetosphere
Climate and Weather at Earth
The Question of The Global Warming
Clouds 		Plate Tectonics
Hurricanes
Lightnings
Earth's Rocks
Sun and Earth Climate

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Seasons
Moon's Phases
Planets Apparent Motion
Sun Eclipses
Moon Eclipses
Time-keeping: Time 		Time-keeping: Calendars
Orbits
Lagrangian Points
More About Days and Nights at the Solstices and the Equinoxes

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Stars
Electromagnetic Spectrum, Spectroscopy
A Transitional Species Between Neutron Star and Magnetars? 		Supernovae
Novae
A Example of a Millipulsar Binary
Cepheids

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The Milky Way Galaxy
Sgr A*, or the Milky Way Galaxy Center		The Case of The Collision Between our Milky Way Galaxy and the Andromeda Galaxy

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Galaxies' Formation
What Black Holes Are
Globular Clusters
Galaxy Clusters and The Web Universe
Neutrinos
Cosmic Rays		A Example of a Close Active Galaxy With the Famed Centaurus A Galaxy
Gravitational Lensing
The IR Hubble Ultra Deep Field (HUDF)

thumbnail to a philosophical essay about the Universe and the world Philosophy-Friendly? Check This!

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A Current View of the Universe
Inflation Theory Detailed
How Is Matter Distributed in Universe? 		Philosophy in Cosmology
Matter and Antimatter

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Life in the Universe
Intelligence in the Universe		What About UFOs?
Interstellar Medium DIBs

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Glossary

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About NEOs
The Kuiper Belt Objects
About Exoplanets
Gamma-Ray Bursts (GRBs)
Personal Reflexion About the First Moments of the Universe		What the Force of Gravity is
For the Braves of Heart: The Potential Threats to Earth from the Universe!

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note: those following tutorials, as they belong to other domains of knowledge, are intented to a better comprehension of astronomy, our main topic, only

Einstein's Relativity
Standard Model of Physics
Overview of an Atom
Periodic Table of the Elements
Quantum Theory 		Geologic Eras at Earth
An Overview of the History of Man
The Actuality of Darwinism

Website Manager: G. Guichard, site 'Amateur Astronomy,' http://stars5.6te.net. Page Editor: G. Guichard. last edited: 1/17/2012. contact us at ggwebsites@outlook.com
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