Community
Resource Directory
Curated links to organizations, software, clubs, and educational materials for students, educators, and enthusiasts.
Organizations
American Astronomical Society (AAS)
Professional body for astronomers in North America.
aas.org→
American Physical Society (APS)
Largest organization of physicists worldwide.
www.aps.org→
European Space Agency (ESA)
Europe's gateway to space—missions, data, and news.
www.esa.int→
NASA
U.S. space agency: missions, research, and multimedia.
www.nasa.gov→
CERN
European Organization for Nuclear Research—home of the LHC.
home.cern→
International Astronomical Union (IAU)
Global authority on naming celestial bodies and astronomical standards.
www.iau.org→
Software & Tools
Stellarium
Free open-source planetarium for your computer or browser.
stellarium.org→
Celestia
3D space simulation that lets you fly through the universe in real time.
celestia.space→
AstroPy
Core Python library for astronomy and astrophysics.
www.astropy.org→
DS9 / SAOImageDS9
FITS image viewer for astronomical data analysis.
sites.google.com→
WorldWide Telescope
Microsoft-backed web tool to explore the universe with survey data.
worldwidetelescope.org→
Find Local Astronomy Clubs
Astronomical League (US)
Directory of 250+ astronomy societies across the United States.
www.astroleague.org→
Go Stargazing (UK)
Find stargazing events and dark-sky sites in the UK.
gostargazing.co.uk→
International Dark-Sky Association
Locate dark-sky parks and reserves worldwide.
www.darksky.org→
Meetup – Astronomy Groups
Community-organized stargazing and astronomy meetups.
www.meetup.com→
Educational Resources
PhET Interactive Simulations
Free physics simulations from the University of Colorado Boulder.
phet.colorado.edu→
Khan Academy – Cosmology & Astronomy
Free video lessons on the Big Bang, stars, and the solar system.
www.khanacademy.org→
MIT OpenCourseWare – Physics
Full MIT physics courses available for free online.
ocw.mit.edu→
Coursera – Astronomy Specializations
Online courses from top universities on physics and astronomy.
www.coursera.org→
HyperPhysics
Concept map approach to physics covering mechanics through quantum.
hyperphysics.phy-astr.gsu.edu→
The Physics Classroom
Tutorials, animations, and practice problems for high school physics.
www.physicsclassroom.com→