All about the universe.
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Words: 1791
Pages: 7
(approximately 235 words/page)
Pages: 7
(approximately 235 words/page)
Essay Database > Science & Technology > Physics
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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showed first 75 words of 1791 total
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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