Science - Astronomy - Stars The Classification of Stellar Spectra - NASA page explaining the colors and classifications (O, B, A, F, G, K, and M) of stars. Astronomy 162: Stars, Galaxies, and Cosmology - Entire Astrophysics course online. Very extensive introduction course to stars. Dark Stars, Black Holes, Bright Galaxies - One huge page packed with illustrations, diagrams and photographs portraying some interesting aspects of stars, black holes and galaxies. How Stuff Works: Stars - Illustrated tutorial about stars, their properties, formation, and death. Includes related links. A Positive Light - Like a Diamond in the Sky - Information and links on the theory that the moon's geology is suitable for the formation of diamonds. Laser Star Astrophysics - Plasma recombination lasers in rapidly cooled stellar atmospheres (plasma laser astrophysics) including history of the laser and astronomical spectroscopy. Stars and Galaxies - 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. A Mystery of Space: STARS - A great site for kids, teens and teachers. Site has received numerous awards and has excellent appearance and navigation. Star Data Pages - 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). The Formation of Binary Stars - Highly-detailed but brief paper concerning the Classical Fission Hypothesis. University of Vaasa - Star photos - Nice index of some interesting star photographs. Note: All files are downloaded via an FTP program which appears in a new window. Astrometry Department, U.S Naval Observatory - 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. The Constellations since 1996 - Binocular and naked eye guide to the constellations, a data table, and mythology. Space Telescope Science Institute - A small Hubble telescope image gallery of Quasars. Hawaiian Astronomical Society - Deepsky Atlas - A listing of the Hawaiian Astronomical Society Deepsky Atlas by constellation. Star Maps - Three high resolution star maps in .tif format for download. Tycho, Hipparcos and Yale bright star maps available. Star Journey @ nationalgeographic.com - Star Journey. Journey through the stars with National Geographic Online. View the nighttime sky with popular National Geographic Star Chart... BBC Space - Stars - Five concise articles covering the birth and death of stars, star types, and all the things we "know" from just looking at them White Dwarfs, Neutron Stars, And Black Holes - All-text page on the various stages in the discovery and development of theories of white dwarfs, neutron stars and black holes. Cosmobrain - 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. Bright Star Catalogue - 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. Measuring the Stars - In-depth lecture notes that provide information on how to derive properties of stars, based on observation. Buy a Star, But It's Not Yours - Article discussing (non)validity of star naming companies. SpaceWander Virtual Space Trip! - 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. Virtual Sky - A portal to multiple representations of the night sky, including a high-resolution (1 second/pixel) optical survey of the Northern sky and the Uranometria engravings from 1603. ESO Photo Gallery - Astronomical Images - Pictures of all kinds of Stars provided by the European Southern Observatory. Scientific American Explorations: A Parade of New Planets - A Parade of New Planets American Association of Variable Star Observers - The AAVSO is the largest network of both professional and amateur variable star observers in the world. Together, both parts of the astronomical community contribute real data used in real science. General Catalog of Variable Stars Research Group - Research group working on the GCVS, Sternberg Astronomical Institute, Moscow, Russia. Includes catalogs and publications. Information Bulletin on Variable Stars - The IBVS is a bulletin of Commissions 27 and 42 of the International Astronomical Union, published by Konkoly Observatory, Budapest, Hungary. Variable Star Network - VSNET is an intensive international mailing list on variable stars. Separate mailing lists for data distribution, alerts, and general information and preprints. Astronomy On-Line - Collaborative Project aimed at getting new people involved in variable star observing. Free Virtual Galaxy Project - By Jim Smith's. Purpose is to provide a zero cost, interactive 3D virtual reality system. Astronomical Society of South Australia - ASSA's variable star group. News, FAQ, charts, and software. A Ritzian Interpretation of Variable Stars - A study on the nature of the speed of light in space using light curves and spectroscopic observations of variable stars as evidence. Brigham Young University Variable Star Database - Currently contains 311 stars which have been classified as Delta Scutis or Gamma Doradus in some published source. The Minima of Algol - An article by Alan MacRobert from Sky and Telescope Magazine about the star Algol (Beta Persei) was the first eclipsing variable star ever discovered. The Top Twelve Naked-Eye Variable Stars - An article by John Isles from Sky and Telescope Magazine. Skyandtelescope.com - Variable Stars - Observing variable stars. The Cepheid Distance Scale: A History - A critical review of the Cepheid distance scale, from its inception, to the Hipparcos mission and beyond. The Formation of Binary Stars - Recent observational investigations of the frequency of occurrence of pre-main-sequence binary stars have reinforced earlier suspicions that binary formation is the primary branch of the star-formation process Interacting Binary Stars - Nice click-through tour with some great animations about some of the complexities of Binary Systems. Eclipsing Binary Stars - Information on binary stars and links to online articles. International Astronomical Union - Organization based in Hungary that studies binary stars. Double Stars to Follow - A five-part article by Martin Gaskell of the Prairie Astronomy Club. The Double Star Library - The Double Star Library hopes to be a means by which various types of binary and multiple star information can be easily disseminated among binary star astronomers in IAU Commission 26 and related commissions. The Binary Pulsar: PSR 1913+16 - Information on the PSR 1013+16 pulsar, a part of a binary system, the discoverers of which won the Nobel Prize in 1993. Binary Stars Astronomy Lecture - A single introductory astronomy lecture on Binary Stars, including several useful diagrams. On The Mechanics of Star Formation - Binary Stars and Nemesis - Brief scientific paper on accretion disk polar jetting by Max Domaschko, PhD, So. Charleston, WV, USA. Also links to a small page of hubble photographs of jetstreams from young stars. Astronomy 101/103 Web Simulations - Includes two JAVA simulations of binary star systems. Astronomical League Double Star Club - The purpose of the Double Star Club is to introduce observers to 100 of the finest double and multiple stars in the heavens. Hubble Separates Stars In The Mira Binary System - Hubble Space Telescope News Release/Paper about the discovery of the atmospheric interaction between the giant star Mira and its white dwarf companion star. Binary Star Simulation - This is a representation of the binary star on a graphical and easy way. Mass Transfer in the Binary Star Algol - This site shows the dynamic hydrodynamic models have shown that the circumstellar flow in Algol is relatively independent of the initial speed and direction of the tidal stream. Rather, the flow dynamics are determined primarily by the strength of radiative cooling, which depends on the density of the gas in the mass transfer stream. Astronomy HyperText Book: Stellar Evolution - From the Electronic Universe Project. Stellar Evolution (a la Chez Stella) - The Universe in the Classroom: Basic school lesson introducing stellar evolution metaphorically through a restaurant setting. Stellar Evolution of Solar Type Stars - The complete sequence of events in detail. Life and Birth of Stars - The physical structure of stars, energy generation, mathematical models, main-sequence stars and the birth of stars. The Evolution of Stars - Lectures on the main sequence, red giants, stellar clusters and variable stars. Semi-technical. Evolution of Stars - Simple explanation of birth, life, and death of stars. Stellar Evolution - Stars and the Hertzprung-Russell diagram (where a star's absolute luminosity is plotted against its surface temperature). Stellar Evolution Simulation - A graphical representation of the evolution of stars during their lifetime using the Hertzsprung-Russell (HR) diagram. The Life and Death of Stars - A detailed look at the evolution of stars from birth to death. Stellar Evolution and Death - The NASA Observatorium's presentation on stellar evolution and extinction of stars. Stellar Evolution of Medium and Heavy Stars - Describes each stage of stellar evolution using diagrams and pictures. Stars Beyond Maturity - The evolution of stars beyond the main sequence explained in detail. Starclock: Stellar Evolution Software - Starclock is a program for DOS that animates the evolution of stars on the HR diagram. Princeton Pulsar Group - Princeton University's site on pulsars, including a definition of pulsars, multimedia and telescopic images, and links to other web data. Neutron Stars and Pulsars - Brief page with basic characteristics of neutron stars and how they were discovered. Introduction to Pulsar Astronomy - A tutorial on radio pulsars and "The Sounds of Pulsars" Radio Pulsar Newsletter - Radio pulsar abstracts published by the University of Sydney's Research Centre for Theoretical Astrophysics. A Gravitationally Powered Oscillatory Pulsar Model - Proposed advanced theory of mainstream Pulsars being oscillatory (and powered by gravitational contraction) rather than rotary. Neutron Stars & Pulsars - Concise descriptions of Neutron Stars and Pulsars Black Holes and Neutron Stars - This site offers a non-technical discussion about black holes and neutron stars. Topics include what they are, how they form, how we detect them, FAQs and a links page. Atmospheres of Neutron Stars - An interactive archive of neutron star atmosphere models, for advanced students and researchers. Virtual Trips to Black Holes and Neutron Stars Page - Ever wonder what it would look like to travel to a black hole or neutron star? Catalogue of Galactic Supernova Remnants (SNRs) - Listing of over 200 supernova remnants. Neutron Star Theory Group at UNAM - Includes a small collection of neutron star images and other resources. Axisymmetric Collision of Two Neutron Stars - Features images simulating the collision of two neutron stars. Neutron Stars - Overview of what is known about neutron stars, including a discussion of X-ray bursters. Neutron Stars and Supernovae - Brief look at the evidence connecting neutron stars with supernovae. Little Green Men, White Dwarfs or Pulsars? - A personal account by Jocelyn Bell Burnell on the discovery of pulsars. X-ray Astronomy: Neutron Stars - Brief description of neutron stars. Remnant of Chinese Supernova - Scientists using NASAs Chandra X-ray Observatory have found new evidence that a pulsar in the constellation of Sagittarius was created when a massive star exploded, witnessed by Chinese astronomers in the year 386 AD. Jodrell Bank Observatory: Pulsar Research - As one of the research groups of the Jodrell Bank Observatory, we form part of the Department of Physics and Astronomy of the University of Manchester, in the United Kingdom. We have many collaborations with other research groups across the world and, in particular, with the ATNF with whom we are the main partners in the Parkes Multibeam Pulsar Survey A Tutorial on Radio Pulsars - A tutorial from the Australia Telescope National Facility, Parkes, New South Wales Pulsar Planets Page - Discovery of a new planet outside of our solar system in 1991. Windows to the Universe: Neutron Stars - A typical neutron star is the size of a small city, but it may have the mass of as many as three suns. Supernova Taxonomy - A discussion of the taxonomy of supernovae. Mr. Galaxy's Supernovae - Nice brief introduction to Supernovae including information on the SunSEARCH program and how to find supernovae. SuperNova Early Warning System (SNEWS) - Network utilizing neutrino detectors to detect neutrino burst from supernova in order to provide a prompt alert to astronomers. International Supernovae Network - Comprehensive Supernovae site including recent discoveries and technical information about finding supernovae, etc. X-ray Astronomy: Supernovae and their remnants - Brief NASA introduction to supernovae. Includes images. Supernova, by HEASARC - HEASARC: High Energy Astrophysics Science Archive Research Center provides a short article regarding the high-energy aspects of supernovae explosions. Masi Astro Images Photometry - Site intro in English and Italian. A short list of Supernovae and variable star images. Very-Late-Type Spiral and Irregular Galaxy Supernova Search - Current statistics of search at University of Iowa, movies of observed SNe. The rates in Sdm-Sm and Irr galaxies seem to be higher even than in late type Sbc-Sd galaxies. University of Texas Supernovae Research - Includes research contacts, preprints, reviews and published papers by the Astronomy group of the University of Texas. Supernovae - Fundamentals of type I & II supernovae List of Recent Supernovae - Huge index of recent supernovae, including date found, SN position, and host galaxy. When supernovae go hyper: NASA article - Magazine-style article written by NASA on the explanation for gamma-ray bursts surrounding 'hypernova' type supernovae. Remnant of Chinese Supernova - Scientists using NASAs Chandra X-ray Observatory have found new evidence that a pulsar in the constellation of Sagittarius was created when a massive star exploded, witnessed by Chinese astronomers in the year 386 AD. Type 1a Supernovae and the Cosmological Constant - Brief look at recent type Ia supernova data and the cosmological constant Latest Supernovae - A list of the latest Supernovae with reference images. Coronae of Dwarf Stars - Highly mathematical explanation of how to calculate the coronae of dwarf stars. Chandra X-Ray Observatory: Brown Dwarf Stars - Introduction and data on brown dwarf stars. Cosmic census finds universe full of brown dwarfs - Details the surprising amount of brown dwarf stars in the universe. CNN article White Dwarfs Lecture - The origin and general characteristics of white dwarfs. High School level. White Dwarfs by Stefan Jordan - Home page by Stefan Jordan detailing some useful technical properties of White Dwarfs. Astronomy 162: White Dwarfs and Novae - Short on text, but contains excellent images, diagrams and a table of the brightest white dwarfs Royal Observatory Greenwich: White Dwarfs - Explains stellar stability and evolution, electron degeneracy, the observation and evolution of white dwarfs, and the white dwarf Sirius B. NASA: White Dwarfs Introduction - Easy to understand and includes images Accreting White Dwarfs - Deep research from the TeSRE Institute - an Italian body who analyze observations in the IR, optical, X-ray and gamma ray energy bands. Echelle Spectra for White Dwarfs - Contains final processed IUE SWP echelle spectra for all 55 hot white dwarfs Using White Dwarf Stars as Ultraviolet Photometric Standards - Scientific Paper by Christopher K. Pankratz of Johns Hopkins University, March 10, 1997. American Scientist: White Dwarf Stars - Special site that covers the functionality of the white dwarf star. A Brown Dwarf Solar flare - Article on the surprise solar flare of a brown dwarf star detected by NASA's Chandra X-ray Observatory. The Discovery of Brown Dwarfs - Less massive than stars but more massive than planets, brown dwarfs were long assumed to be rare. New sky surveys, however, show that the objects may be as common as stars. Article from Scientific American MSN Learning & Research Plus: Brown Dwarf - Online encyclopedia article. The Discovery of Brown Dwarfs - Informative article from American Scientist about the discovery, nature and challenges of searching for brown dwarfs. By Eduardo L. Martin, Rafael Rebolo and Maria Rosa Zapatero-Osorio. Star Names - A brief description of how stars were named, with links, references, and a table of Western star names and their meanings. Names of Stars from the Period of Vedas - Ancient Indian constellations and stars identified. Star Pronunciation Guide - Phonetic pronunciation and audio files for the names of stars and other astronomical objects. Naming Stars - FAQ from International Astronomical Union. Buying a Star - FAQ from sci.astro.amateur newsgroup. Can You Pay to Get a Star Named? - The Straight Dope column on a star naming scheme. Star Naming - Guidelines from International Planetarium Society. netmation.com | netmation.net | netmation.org | netmation.tv Copyright © 1991-2005 Netmation Inc. All Rights ReservedSite Designed and Hosted by Netmation Inc.