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ASTRONOMY WEBQUEST…… EXPLORE THE UNIVERSE Use the suggested websites to answer the following questions. General Astronomy http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html What is a light year? What is a parsec? What is an astronomical unit? Stars http://www.geocities.com/CapeCanaveral/Launchpad/1364/Stars.html What is a nebula? How are stars born? What happens to stars as they age? What are red giants? What is a white dwarf? What is a Globular Cluster? What is the relationship between Globular Clusters and the Milky Way? ! Lifecycle of a Star http://www.enchantedlearning.com/subjects/astronomy/stars/lifecycle/ http://btc.montana.edu/ceres/html/LifeCycle/starsbackground.htm http://www.windows.ucar.edu/tour/link=/the_universe/Nebula.html http://www.windows.ucar.edu/tour/link=/the_universe/Strange.html http://www.windows.ucar.edu/tour/link=/the_universe/Galaxy.html http://www.ioncmaste.ca/homepage/resources/web_resources/CSA_Astro9/files/html/module2/module2.ht ml#6 http://outreach.atnf.csiro.au/education/everyone/pulsars/ Stars and planets are made from gases in a __________________. The Milky Way Galaxy is approximately _______________ light years across. How much longer will our Sun last? _________________________ Lifetimes of stars range from ___________ to ____________ years. Our star orbits the centre of our galaxy about once every ________________ years. A teaspoon of material from a neuron star can weigh about _____________________. Stars are made mainly from the gases _____________ and ______________. Describe the stages of a star’s life cycle in the correct order. What is a supernova? What are the possible end-products of a supernova? What is a pulsar? How is a pulsar formed? Universe - http://starchild.gsfc.nasa.gov/docs/StarChild/universe_level2/universe.html What is a black hole? Quasar is short for… How much energy do quasars give off? What gives a star its light? Sketch 3 types of Galaxy. Indicate which one most closely resembles our galaxy. Read the following background articles on how the universe began, and how galaxies merge and collide. http://www.space.com/scienceastronomy/051212_mystery_monday.html http://www.space.com/scienceastronomy/merging_backhole_021119.html http://www.space.com/scienceastronomy/astronomy/spongy_universe_010522-1.html