Examines principles of modern astronomy for nonscience majors, summarizing our present knowledge about the Sun, stars, neutron stars, black holes, interstellar gas, galaxies, quasars, and the structure and origins of the universe. Offers opportunities to attend nighttime observation sessions at Sommers-Bausch Observatory. Formerly ASTR 1120. Similar to ASTR 1020, without sequence link to ASTR 1010 or recitation. Also similar to ASTR 1040. Students may receive credit for only one of ASTR 1200, 1120, 1020, or 1040. Approved for arts and sciences core curriculum: natural science.