Open Directory - Science: Astronomy: Stars
See also: This category in other languages: - ThinkQuest educational site with one version for kids under 12, and one for older kids and teachers. - The primary purpose of this website is to distribute information related to the positions and motions of the stars and planets, mainly to the Defense community. - Entire Astrophysics course online. Very extensive introduction course to stars. - Five concise articles covering the birth and death of stars, star types, and conclusions drawn from observation by telescope and the naked eye. - Find data (cross references, positions, proper motions, spectral classes, magnitudes ...) on all stars visible to the naked eye from the BSC, SKY2000, SAO, WDS and GCVS. Stars can be searched by their proper names, Bayer designations, Flamsteed, HR, HD, SAO or FK5 numbers. - Article discussing (non)validity of star naming companies. - Lists the 50 brightest stars visible from Earth, and the 50 closest stars to Earth. Proper names, distances, magnitudes, spectral classification and other data are provided for each star. - Answers a number of questions people have asked, at beginner, intermediate and advanced level. - One huge page packed with illustrations, diagrams and photographs portraying some interesting aspects of stars, black holes and galaxies. - Pictures of all kinds of Stars provided by the European Southern Observatory. - Compare planets of the solar system with some of the largest known stars. Features video with commentary, interactive multimedia and visitor comments. - A listing of the Hawaiian Astronomical Society Deepsky Atlas by constellation. - Illustrated tutorial about stars, their properties, formation, and death. Includes related links. - Plasma recombination lasers in rapidly cooled stellar atmospheres. - Discussion will focus on the nonlinear interactions between turbulent convection, rotation and magnetic fields in the interiors of stars. From 6 September - 17 December, 2004 at the Isaac Newton Institute for Mathematical Sciences, Cambridge, UK. Includes list of workshops and list of participants. - Article providing information on how to derive properties of stars, based on observation. - Sightings of extrasolar planets are increasing. - A small Hubble telescope image gallery of Quasars. - Multimedia experience of flying by spaceship through the solar system. Visit each planet. Real space pictures from NASA. In English, French, Italian, Spanish and Russian. Recommended for kids. - A brief overview of what stellar spectra are and how they are used to classify stars. - Provides detailed information about stars: positions, proper motion, radial velocity, magnitudes, spectral class, color index, catalogue references, data about multiple star systems (i.e. orbital elements), and data about variability (min./max. brightness, period, type of variability). - Star Journey. Journey through the stars with National Geographic Online. View the nighttime sky with popular National Geographic Star Chart... - Three high resolution star maps in .tif format for download. Tycho, Hipparcos and Yale bright star maps available. - A guide to give a tour of the summer night sky. - Behavior of stars, generation of energy, their origin, and life cycle. Also includes a wide range of interesting pictures of galaxies and related phenomena that can be observed in the universe through telescopes. - Binocular and naked eye guide to the constellations, a data table, and mythology. - The most visible stars that can be seen by the naked eye from earth. Lists names, positions, distances, magnitudes and spectral classifications. - Highly-detailed but brief paper concerning the Classical Fission Hypothesis.
