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Astronomy (Greek: αστρονομία = άστρον + νόμος, astronomia = astron + nomos, literally, "law of the stars") is the science of celestial objects (e.g., stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere (e.g., auroras and cosmic background radiation). It is concerned with the evolution, physics, chemistry, and motion of celestial objects as well as the formation and development of the universe. Astronomical observations can be used to test fundamental theories in physics, such as general relativity. Theoretical astrophysics complements observational astronomy in that it seeks to explain astronomical phenomena.
Astronomy is one of the oldest sciences. Astronomers of ancient Greece practiced a scientific methodology, and advanced observation techniques may have been known much earlier (see archaeoastronomy). Historically, amateur astronomers have contributed to many important astronomical discoveries, and astronomy is one of the few sciences where amateurs can still play an active role, especially in the discovery and observation of transient phenomena.
Modern astronomy is not to be confused with astrology, the belief system that claims human affairs are correlated with the positions of celestial objects. Although the two fields share a common origin, they are fundamentally different: astronomers employ the scientific method, whereas astrologers do not.
More on [ Astronomy ]
Astronomy :: Science
In the Arts :: Astronomy
Astronomy :: Science and Nature
Behind the scenes filming our new Meteorite Men promo in sunny Nevada http://ow.ly/i/eW9 @sciencechannel @discovery #meteorite #astronomy
MeteoriteMen (Notkin Arnold) Thu, 24 Dec 2009 16:24:19 -0000
Behind the scenes filming our new Meteorite Men promo in sunny Nevada http://ow.ly/i/eW9 @sciencechannel @discovery #meteorite #astronomy
Things In World Of Warcraft People Are Crazy About | Hot Astronomy: The World of Warcraft is still popular and .. http://bit.ly/4K1ttA
barkarat (Barret Karan) Thu, 24 Dec 2009 16:23:37 -0000
Things In World Of Warcraft People Are Crazy About | Hot Astronomy: The World of Warcraft is still popular and .. http://bit.ly/4K1ttA
Sunrise and Sunset for U.K. â England â London â coming days http://bit.ly/4FymyA astronomy sunrise sunset time
delicious50 (Delicious Over 50) Thu, 24 Dec 2009 16:21:21 -0000
Sunrise and Sunset for U.K. – England – London – coming days http://bit.ly/4FymyA astronomy sunrise sunset time
Known as Christmas Tree, NGC2264 is an open cluster of stars embedded in a diffuse nebula http://tr.im/Iw9o #astronomy #space
astrospacenow (AstroSpaceNow.com) Thu, 24 Dec 2009 16:20:11 -0000
Known as Christmas Tree, NGC2264 is an open cluster of stars embedded in a diffuse nebula http://tr.im/Iw9o #astronomy #space
Phil Harrington's "Star Watch," Sunday, Dec. 27th @ 9:00 EST @Slooh Radio. Join us in the chat room as well. #astronomy #science #space
slooh (Editor) Thu, 24 Dec 2009 16:13:14 -0000
Phil Harrington's "Star Watch," Sunday, Dec. 27th @ 9:00 EST @Slooh Radio. Join us in the chat room as well. #astronomy #science #space
[PiCS] Pictures of the year 2009: #Space http://ow.ly/PkIy To infinity, and beyond! #geek #science #astronomy telegraph.co.uk
ToYKillAS (Raphaël Rivolgo) Thu, 24 Dec 2009 16:08:16 -0000
[PiCS] Pictures of the year 2009: #Space http://ow.ly/PkIy To infinity, and beyond! #geek #science #astronomy telegraph.co.uk
Ars Astronautica - A web project devoted to promoting the astronautical arts. Art-in-space projects.
Meta Description: [ spaceart network - space art - ars astronautica - arthur woods ]
Bentley, Mitchell Davidson - Atomic Fly Studios - Mitchell Davidson Bentley's astronomical artwork and history.
Meta Description: [ Online gallery, portfolio, history and business contact for the astronomical space art of Mitchell Davidson Bentley and Atomic Fly Studios. ]
Garlick, Mark A. - The space, science fiction, and surreal artwork of Mark A. Garlick.
Meta Description: [ A gallery of space art, astronomical art, science fiction artwork and surrealism ]
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Glass Nebula Studio - Reverse glass art of Joy Day.
Hardy, David A - AstroArt - The space art of David A. Hardy, plus links to other astronomy organizations and artists.
Meta Description: [ David A Hardy's Astro Art pages. A
site devoted to space art, science fiction, fantasy, astronomy, space
travel, earth sciences, volcanoes ]
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International Association of Astronomical Artists - The official site for the IAAA with how to join, galleries, and membership roster.
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Johnson, B. E. - Space Art Gallery - Art and glass sculpture of air and space artist B. E. Johnson. Features traditional, digital, animation, and sculptural works.
Lauretta, J. A. - Astratta 2000 - Visual odyssey through the universe of artist J.A. Lauretta.
Meta Description: [ Astratta 2000 is a visual odyssey through the mind's eye of J.A. Lauretta, fine, digital, and graphic artist. ]
Lurz, Frank - Paintings and prints of astronomical, science fiction, and futuristic themes.
Miller, Ron - Black Cat Studio - Illustrator specializing in astronomical, space and science fiction subjects.
Porter, Russell W. - Mt. Palomar Drawings - Images of the Mt. Palomar Astronomical Observatory by Russell W. Porter (1871-1949).
Seven Visions Art Space - Featuring works works dedicated to celestial objects, places, dreams, conjured by Visionary Imagist, SHEBA ...in mixed media and watercolor.
Smallwood, Brian - Space Art - Elegant digital excursions in cosmology from illustrator of the BBC television series, The Sky At Night
Meta Description: [ Space Art ]
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Space Art on the Web - launch platform to creators of space art across the web.
Space Dreams - A review of space art sites.
Viktor, Erik - Spaceworld 2000 - Space-art and fine art by Erik Viktor.
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