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All about the universe.

Date Submitted: 12/05/2001 15:51:46
Category: / Science & Technology / Physics
Length: 7 pages (1791 words)
YEAR 9 SETI ASSIGNMENT OBJECTS IN THE UNIVERSE i.Explain how stars can be classified according to size, colour and temperature. Astronomers use The Hertzsprung-Russell Diagram, which is a graphical tool to classify stars according to their luminosity, spectral type, color, temperature and evolutionary stage. In this diagram, the brightest stars lie near the top of the diagram and the hottest stars lie to the left. On the H-R diagram, most of the stars, including the …
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…net/~jtalbot/glossary/quasar.html http://www.geocities.com/mahtezcatpoc/novae.html http://www.astro.uiuc.edu/projects/mcnews/MCNews.html http://www.seds.org/messier/lenticul.html http://www.seasky.org/cosmic/sky7a07.html http://www.bbc.co.uk/science/space/solarsystem/index.shtml http://www.bbc.co.uk/cgi-bin/search/results.pl?q=quasars&uri=%2Fscience%2Fspace%2Fdeepspace%2Findex.shtml http://www.bbc.co.uk/science/space/stars/twinkle/index.shtml
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