Living Reviews in Solar Physics
- http://solarphysics.livingreviews.org
- A peer-refereed, solely online journal publishing invited reviews covering all areas of solar and heliospheric physics research. Published by the Max Planck Institute for Aeronomy, Katlenburg-Lindau, Germany.
SIMBAD Astronomical Database
- http://simbad.u-strasbg.fr/Simbad
- The SIMBAD astronomical database provides basic data, cross-identifications and bibliography for astronomical objects outside the solar system. SIMBAD can be queried by object name, coordinates, other criteria (filters), and lists of objects.
The Astrophysics Spectator
- http://www.astrophysicsspectator.com/
- Articles published on this site cover current research in astronomy and astrophysics, describe our current understanding of astronomical phenomena, and comment on issues related to astronomical research.
The Electric Universe
- http://www.the-electric-universe.info/
- Physics knows four forces; 20th-century scientists were convinced that one of those, the electric force, played no macroscopic role in the Universe; site explains why that is incorrect.
The NASA Astrophysics Data System
- http://adswww.harvard.edu/
- The Astrophysics Data System (ADS) is a NASA-funded project which maintains four bibliographic databases containing more than 4.0 million records: Astronomy and Astrophysics, Instrumentation, Physics and Geophysics, and preprints in Astronomy.