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Starburst galaxy Wikipedia ~ A starburst galaxy is a galaxy undergoing an exceptionally high rate of star formation as compared to the longterm average rate of star formation in the galaxy or the star formation rate observed in most other galaxies
List of galaxies Wikipedia ~ Named galaxies This is a list of galaxies that are well known by something other than an entry in a catalog or list or a set of coordinates or a systematic designation
Galaxy Types of galaxies ~ Types of galaxies Principal schemes of classification Almost all current systems of galaxy classification are outgrowths of the initial scheme proposed by the American astronomer Edwin Hubble in 1926
Introduction to Astronomy ~ A Sense of Scale Size Chapter index in this window — — Chapter index in separate window Please support this website This material including images is copyrighted
How are distances to the stars and galaxies calculated ~ At the present time Type Ia supernovas are widely considered to be the most reliable standard candle for astronomical distance measurements
Quasar astronomy ~ Quasar an astronomical object of very high luminosity found in the centres of some galaxies and powered by gas spiraling at high velocity into an extremely large black hole
Inspirational thoughts and motivational quotes Roger ~ Until one is committed there is hesitancy the chance to draw back always ineffectiveness Concerning all acts of initiative there is one elementary truth the ignorance of which kills countless ideas and endless plans
Dark matter on the move ~ Star formation in tiny dwarf galaxies can slowly heat up the dark matter pushing it outwards The left image shows the hydrogen gas density of a simulated dwarf galaxy viewed from above
Evidence for the Big Bang TalkOrigins Archive Exploring ~ There are more complicated examples of these geometries but we will skip discussing them here Those interested in reading more on this point can look at this description of topology of the universe
Introduction to Supercomputers History of computing ~ Introduction Weve all heard of supercomputers But when you think of a supercomputer you usually think of HAL2000 and other science fiction stuff