Physics & Astronomy Links
All-Sky Automated Survey (ASAS)
All-Sky Automated Survery for Supernovae (ASAS-SN)
American Association of Physics Teachers (AAPT)
American Assocication of Variable Star Observers (AAVSO)
AAVSO Variable Star Index (VSX)
American Astronomical Society (AAS)
American Physical Society (APS)
Astronomer's Telegram (ATel)
Astronomy magazine
Astronomy Picture of the Day
Bad Astronomy
CADS Angular Separation Calculator
Central Bureau for Astronomical Telegrams (CBAT)
Cornell University Library (Astrophysics)
Convert degree to arcsecond
Convert RA and DEC to Degrees
Cosmology Calculator
Catalina Real-Time Transient Survey (CRTS)
CRTS Data Release 2
Dan Bruton Astronomy (Stephen F. Austin State University)
Dark Energy Spectroscopic Instrument (DESI)
Eclipsing Binary Simulator
Exploring the X-ray Transient and Variable Sky (eXTraS)
Finding the constellation which contains given sky coordinates
Gamma-ray Coordinates Network (GCN)
Gemini Observatory
Google Sky
Heavens Above
Heliocentric Julian Day Calculator (HJD)
Hubble Law Lab
Hubble Site
HyperPhysics
Julian Date Converter
Las Cumbres Observatory Global Telescope Network (LCGOT)
Latest Supernovae
Magnitude System and Color Conversion Formulas
Minor Planet Checker (MPC)
McDonald Observatory
National Aeronautics and Space Administration (NASA)
NASA High Energy Astrophysics Science Archive Research Center (HEASARC)
National Science Foundation (NSF)
NOVA
(An archive of past NOVA shows on the subject of space)
Particle Data Group (PDG)
QuarkNet
SIMBAD Astronomical Database
SKY MAP
Sky View Cafe
Sixty Symbols
SKYDOT (LANL)
Slooh Community Observatory
SMU Physics
SuperWASP
(Wide Angle Search for Planets)
Swift-BAT Trigger List
Symmetry magazine
Texas Astronomical Society (TAS)
The Age of the Universe
The Particle Adventure
The Universe Adventure
Vega Science Trust Videos
Virtual Telescope Project 2.0
Weizmann Interactive Supernova data REPository (WISeREP)
Your Sky
(Interactive planetarium)
Zooniverse
