- Alcyone Software
- Features the different devices used by the company in different planetary readings.
- Alcyone Software – Star Data
- Catalog of celestial bodies includes facts on their positions, proper motion, radial velocity, magnitudes, spectral class, color index, and luminosity.
- BBC Science & Nature: Stars
- Offers articles and information on stars including their birth, death, and various types.
- Bright Stars
- Showcases a catalog of the objects with data on proper names, magnitude, distance, spectral classification and equatorial coordinates.
- Classification of Stellar Spectra
- Showcases an article by Jesse Allen on how to categorize stars. Includes types, color and characteristics of stellar.
- Constellations
- Provides information on the mythologies and facts of the star formations. Also provides virtual tour and charts for the heavenly bodies.
- European Organization for Astronomical Research in the Southern Hemisphere
- Shows history, services, events and various devices of the company. Also provides information on its products and recruitment process.
- Hawaiian Astronomical Society
- Showcases the Deepsky Atlas. Includes details on constellations, views of the solar system and related links.
- Heart of Darkness
- Features article about stars, galaxies and black holes. Contains photos, diagrams and references.
- Isaac Newton Institute for Mathematical Science
- Features event on Magnetohydrodynamics of Stellar Interiors that happened on September 6 to December 17 of 2004.
- Laser Stars
- Presents research material of plasma re-combination lasers. Also provides problems solving, solutions and diagrams.
- Measuring the Stars
- Article informs on measuring the chemical and physical properties of the objects.
- Mystery of Space
- Provides insights regarding stars, black holes, the solar system and cosmic phenomenon.
- NASA Stars and Galaxies
- Features news and information on stars and galaxies in addition and telescopic photography and slide shows.
- News Release Archive: Galaxy - Quasar/Active Nucleus
- Collection of reports discusses observations and discoveries of several star-like objects within the Milky Way.
- Parade of New Planets
- Discusses on the extrasolar objects and origin of the celestial bodies.
- Solar and Stellar Seismology
- Provides an illustrated article covering the oscillations of stars and their chemical compositions.
- Spectra and Spectra Analysis
- Explanation on emission, lines, classification, and wave length.
- Star and Galaxies
- Provides information on their origin, evolution, energy, and formation of the celestial bodies. Also displays photos, videos, and audio clips.
- Star Journey
- Collection of charts projects the formations of the objects from different space locations. With details on constellation Orion.
- Stargazing
- Presents virtual guided tour of similar fundamental astronomy principles. With varied star maps according to season.
- US Naval Observatory
- Provides information on its Astrometry Department. Shows the different divisions, projects, catalogs and events.
- White Dwarfs, Neutron Stars, and Black Holes
- Discusses on the discovery, structure, characteristics, and development of the objects.
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