A description at the layman level about the applications of spectroscopy in the investigation of the Solar System, with interactive diagrams

Accretion disk theory, mixing-length theory of convection, advection-dominated accretion flows.

you can find every thing you want on this topic in this site...

E-Print archive since April of 1992.

Introductory essays on astrophysics and astronomy.

Beginner's guide to all the basic concepts of Astrophysics written by active scientists at Cambridge University, UK.

Nationally supported research centre. Find out about current research, upcoming seminars and job opportunities.

Hypothesis which attempts to explain the characteristics of QSOs (Quasi-Steller Objects), a.k.a. quasars, as optical illusions created by gravitational lensing and other phenomena.

A list of frequently asked questions with answers.

Comprehensive archive of explantory articles on all key Astrophysics topics, categorised and fully searchable; actively updated by the Institute of Physics.

Profiles several prominent astrophysicists.

Partially funded by a NASA Astrophysics Theory grant, find information about the group's past and future meetings.

Research session at the Institute for Pure and Applied Mathematics (IPAM), Los Angeles, CA, USA; 7 March - 10 June 2005.

Text of the 1999 Oppenheimer lecture at UC Berkeley given by professor Freeman Dyson on the origin of life and other subjects.

Offers educational products that help students understand basic astronomy concepts.

Site devoted to hyperspatial theories.

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.

Overview of a controversial theory which is not generally accepted by the astrophysical community.

Search system for abstracts in astrophysics, planetary sciences and solar physics.

Generates astrophysical reaction rates online using an extended database.

An area for providing nuclear data for astrophysics calculations, such as nucleosynthesis, stellar evolution, the Big Bang, and super-nova dynamics.

A well know problem from astrophysics, Olber's paradox (Why is the night sky dark?), solved. As well as Newton's related Gravity paradox.

Course offered via The Electronic University, an educational outreach server at the University of Oregon.

Teaching notes on celestial mechanics, classical mechanics, and stellar atmospheres.