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The top documents tagged [stars luminosity]
What do we use to measure distance to stars when parallax doesn’t work?
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ASTR100 (Spring 2008) Introduction to Astronomy Properties of Stars Prof. D.C. Richardson Sections 0101-0106
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Star Formation. Classifying Stars The surface temperature of a star T is compared to a black body. –Luminosity L –Radius R The absolute magnitude calculates
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Announcements Office hours changed Office hours changed Monday: 1:30-2:30 Monday: 1:30-2:30 Wednesday: 1:30-2:30 Wednesday: 1:30-2:30 Get lab report Get
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Objectives Determine the size and shape of the Milky Way, as well as Earth’s location within it. The Milky Way Galaxy Describe how the Milky Way formed
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1. What color are the coolest stars? Orange Blue YellowRed White
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Stars can be grouped into constellations. VOCABULARY Stars and Their Characteristics Stars and Galaxies Hydrogen and helium are the two most abundant elements
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Star Clusters
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Stellar Classification. How we know We learn about stars by looking at them through spectroscopes. All stars produce a spectra that tells us about their
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Chapter 27 Hubble’s Law and the Distance Scale Revised 2007
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1 Galaxies The Andromeda Galaxy - nearest galaxy similar to our own. Only 2 million light years away! Galaxies are clouds of millions to hundreds of billions
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Stars and Galaxies
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