În română:
www.astronomie.ro,
www.astro-urseanu.ro/ (Observatorul Astronomic),
http://sarm.astroclubul.org/carti/ (Cărţi de astronomie în format pdf),
http://89. 122. 40. 35/sarm/carti/Brief_History_Time_Hawking. pdf (cartea "O scurtă istorie a timpului" de Stephen Hawking),
http://89. 122. 40. 35/sarm/carti/Cerul/ (cartea ''Cerul - o carte pentru toţi''),
www.iramelanox.go.ro/x2.html (Mitologie şi adevăr),
www.scribd.com/doc/11918266/Istoria-Astronomiei (Istoria astronomiei).
În engleză:
www.astronomy.com,
http://astronomy.swin.edu.au/cosmos/ (Encyclopedia of Astronomy),
http://www.fullissue.com/index.php/history-of-astronomy.html (History of Astronomy),
www.nineplanets.org/ (NinePlanets.org),
www.fact-index.com/a/as/astronomy.html,
http://csep10.phys.utk.edu/astr161/lect/index.html (The Solar System),
http://spaceweather.com/ (SpaceWeather.com -- News and information about meteor showers, solar...),
http://theastrologer.com/,
www.daviddarling.info/childrens_encyclopedia/main_menu.html (Children's Encyclopedia of Space),
www.daviddarling.info/encyclopedia/ETEmain.html (The Internet Encyclopedia of Science),
www.nasa.gov/externalflash/PQTimeline/ (NASA PlanetQuest Historic Timeline),
www.ency-astro.com/ (Encyclopedia of Astronomy and Astrophysics),
http://sky-map.org/ (harta cerului),
www.wikisky.org/ (hartă interactivă a cerului),
www.kidsastronomy.com/index.htm (astronomie pentru copii),
http://antwrp.gsfc.nasa.gov/apod/ (Astronomy Picture of the Day),
www.fourmilab.ch/cgi-bin/Solar (Solar System Live),
http://abyss.uoregon.edu/~js/ast121/lectures/lec02.html (History of Astronomy),
http://dsc.discovery.com/space/top-10/important-astronomy-history/ (Top 10 Astronomy Discoveries),
www.astro.wisc.edu/~dolan/Planets/ (Calendar of Planet positions),
www.astro.wisc.edu/~dolan/constellations/constellations.html (Stars and Constellations),
www.aerospaceguide.net/ (Space Projects - Space Information - Space Shop),
www.star-astronomy.com/ (Star Astronomy),
www.frontiernet.net/~docbob/astron.htm (Astronomy Circle),
http://csep10.phys.utk.edu/astr161/lect/index.html (The Solar System),
http://www.astronomy.ohio-state.edu/~pogge/Ast162/index.html (Introduction to Stars, Galaxies, & the Universe).
În franceză:
www.histoire-en-ligne.com/spip.php? rubrique101,
www.esa.int/esaKIDSfr/index.html (astronomie pentru copii).
Http://sarm.astroclubul.org/carti/ - carti de astronomie in format pdf
http://www.aerospaceguide.net/
http://abyss.uoregon.edu/~js/ast121/lectures/lec02.html
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