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slater2e_ch13_1.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_1_dlap.xml53922aab757a2e4548000006
13-1 The Sun is located in the disk of our Galaxy, about 25,000 light-years from the galactic center slater2e_ch13_2.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_2_dlap.xml53922aab757a2e4548000006
13-2 Observations of different types of dust, gas, stars, and star clusters reveal the shape of our Galaxy slater2e_ch13_3.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_3_dlap.xml53922aab757a2e4548000006
13-3 Observations of star-forming regions reveal that our Galaxy has spiral arms slater2e_ch13_4.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_4_dlap.xml53922aab757a2e4548000006
13-4 Measuring the rotation of our Galaxy reveals the presence of dark matter slater2e_ch13_5.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_5_dlap.xml53922aab757a2e4548000006
13-5 Spiral arms are caused by density waves that sweep around our Galaxy slater2e_ch13_6.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_6_dlap.xml53922aab757a2e4548000006
13-6 Infrared and radio observations are used to probe the galactic nucleus slater2e_ch13_7.html53922aab757a2e4548000006
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Key Ideas and Termsslater2e_ch13_8.html53922aab757a2e4548000006
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Questionsslater2e_ch13_9.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_9_dlap.xml53922aab757a2e4548000006
Answersslater2e_ch13_10.html53922aab757a2e4548000006
DLAP questionsslater2e_ch13_10_dlap.xml53922aab757a2e4548000006