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Handouts: '21 | '20 | '19 | '18 | '17 | '16 | '15 | '14 | '13 | '12 | '11 | '10 | '09 | '08 | '07 | '06 | '05 | '04 | '03 | '02 | '01 | | '99
![IC 443](/photo/2000/1083/1083_xray_thm.jpg)
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![Abell 1795](/photo/2000/0163/0163_xray_thm.jpg)
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![Orion Trapezium](/photo/2000/orion_trap/optical_xray_nl_thm.jpg)
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![Circinus X-1](/photo/2000/microquasar/heg_animation_thm.jpg)
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![rho Ophiuchi molecular cloud](/photo/2000/babystar/babystar_thm.jpg)
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![Quasar RX J0911.4+0551](/photo/2000/quasar_rxj/psu_quasar_thm.jpg)
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![Cygnus A](/photo/2000/0216/0216_xray_thm.jpg)
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![3C273](/photo/2000/0131/0131_xray_thm.jpg)
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![GRB 991216](/photo/2000/0596/0596_xray_thm.jpg)
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![Zeta Orionis](/photo/2000/1078/1078_xray_thm.jpg)
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![Sirius A and B](/photo/2000/0065/0065_xray_thm.jpg)
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![M82 Black Hole](/photo/2000/m82bh/m82bh_thm.jpg)
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![Antennae](/photo/2000/0120/red_thm.jpg)
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![Comet C/1999 S4](/photo/2000/c1999s4/c1999s4_03_thm.jpg)
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![Brown Dwarf LP 944-20](/photo/2000/1054/lp94420_thm.jpg)
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![Cassiopeia A](/photo/2000/cas_a062700/casa_comp_thm.jpg)
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![Pictor A](/photo/2000/pictor/pictor_xray_thm.jpg)
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![BD+30-3639](/photo/2000/pne/pne_xray_thm.jpg)
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![Vela Pulsar](/photo/2000/vela/vela_xray_thm.jpg)
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![NGC 4151](/photo/2000/ngc4151/4151_xray_thm.jpg)
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![Perseus A](/photo/2000/perseus/perseus_xray_thm.jpg)
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![NGC 3783](/photo/2000/ngc3783/ngc3783_thm.jpg)
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![HDFN Deep Field](/photo/2000/hdfn/hdfnchandra_thm.jpg)
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![Supernova 1987A](/photo/2000/sn1987a/sn1987a_xray_thm.jpg)
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![Cygnus X-3](/photo/2000/cygx399/cygx399_xray_thm.jpg)
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![E0102-72.3](/photo/2000/0015multi/e0102_multi_thm.jpg)
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![CXO 0312 Fiore P3](/photo/2000/0312/0312_xray_opt_thm.jpg)
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![Type 2 Quasar](/photo/2000/type2/type2_xray_thm.jpg)
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![Abell 2142](/photo/2000/a2142/a2142_xray_thm.jpg)
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![NGC 5548](/photo/2000/0170/0170_spectrum_thm.jpg)
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![M82](/photo/2000/0094/0094_xray_thm.jpg)
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![M31](/photo/2000/0007/0007_xray_thm.jpg)
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![Galactic Center](/photo/2000/0204/0204_xray_thm.jpg)
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![E0102-72.3](/photo/2000/0015/0015_xray_thm.jpg)
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![Orion Nebula](/photo/2000/0054/0054_xray_thm.jpg)
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![Deep Field in Canes Venatici](/photo/2000/bg/bg_xray_thm.jpg)
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Handouts: '21 | '20 | '19 | '18 | '17 | '16 | '15 | '14 | '13 | '12 | '11 | '10 | '09 | '08 | '07 | '06 | '05 | '04 | '03 | '02 | '01 | | '99