- Inter-University Centre for Astronomy and Astrophysics(ICUAA) http:/iucaa.ernet.in/
- American Astronomical Society .http://www.aas.org/
- Astronomical Society of the Pacific .http://www.astrosociety.org/
- American Association of Variable Star Observations -AAVSO . http://www.aavso.org/
- Astronomical League . http://www.astroleague.org/
- U.K.Society for Popular Astronomy . http://popastro.com
TO SEE THE WONDERS OF THE UNIVERSE
- http://photojournal.jpl.nasa.gov/
- http://www.atlasoftheuniverse.com/
- http://www.abmedia.com/astro/
- http://antwrp.gsfc.nasa.gov/apod/ Astronomy of the picture of the day
- http://antwrp.gsfc.nasa.gov/apod/lib/edlinks.html/
- http://chandra.harvard.edu/photo/chronological.html . Chandra X-Ray -Observatory.
- http://www.solarviews.com/ . Views Of Solar Systom.
- http://virtualsky.org/index.html Virtual Sky!
- http://nasa-image.blogspot.com/ NASA Shuttle Missions,International Space Station etc....
- http://www.cet.edu/?cat=cotf NASA Sponsored Class Room Of The Future.
- http://ds9.ssl.berkeley.edu/viewer/flash.html/ Live Solar Images
