These are Chandra X-ray Observatory images with short captions. They can be printed on a single page with a color printer. (Note: For Macintosh computers using Netscape, please reduce image size to 70 % before printing the html. The PDF files require Adobe Acrobat Reader, a free plug-in. See our Download Center for help.)
Handouts: '21 | '20 | | '18 | '17 | '16 | '15 | '14 | '13 | '12 | '11 | '10 | '09 | '08 | '07 | '06 | '05 | '04 | '03 | '02 | '01 | '00 | '99
![NGC 6338](/photo/2019/ngc6338/ngc6338_thm.jpg)
pdf | [Photo Album]
![Positive Feedback Black Hole](/photo/2019/bhfeedback/bhfeedback_thm.jpg)
pdf | [Photo Album]
![Phoenix Cluster](/photo/2019/phoenix/phoenix_thm.jpg)
pdf | [Photo Album]
![Chandra Archive Collection](/photo/2019/archives/archives_thm.jpg)
pdf | [Photo Album]
![Abell 1758](/photo/2019/a1758/a1758_thm.jpg)
pdf | [Photo Album]
![Tycho's Supernova Remnant](/photo/2019/tycho/tycho_thm.jpg)
pdf | [Photo Album]
![SDSS J0849+1114](/photo/2019/3blackholes/3blackholes_thm.jpg)
pdf | [Photo Album]
![GSN 069](/photo/2019/gsn069/gsn069_thm.jpg)
pdf | [Photo Album]
![Cassiopeia A](/photo/2019/firstlight/firstlight_thm.jpg)
pdf | [Photo Album]
![QSO PSO167-13](/photo/2019/cloaked/cloaked_thm.jpg)
pdf | [Photo Album]
![G292.0+1.8](/photo/2019/20th/20th_g292_thm.jpg)
pdf | [Photo Album]
![Q2237+0305](/photo/2019/quasars/quasars_q2237_thm.jpg)
pdf | [Photo Album]
![Cluster Merger](/photo/2019/cluster_merge/cluster_merge_thm.jpg)
pdf | [Photo Album]
![Coma Cluster](/photo/2019/coma/coma_thm.jpg)
pdf | [Photo Album]
![Mrk 1216](/photo/2019/mrk1216/mrk1216_thm.jpg)
pdf | [Photo Album]
![Fornax Cluster](/photo/2019/fornax/fornax_thm.jpg)
pdf | [Photo Album]
![CDF-S XT2](/photo/2019/xt2/xt2_thm.jpg)
pdf | [Photo Album]
![Galactic Center](/photo/2019/gcenter/gcenter_thm.jpg)
pdf | [Photo Album]
![SDSS J1430+1339](/photo/2019/teacup/teacup_thm.jpg)
pdf | [Photo Album]
![](/photo/2019/ngc3079/ngc3079_thm.jpg)
pdf | [Photo Album]
![H1821+643](/photo/2019/whim/whim_thm.jpg)
pdf | [Photo Album]
![](/photo/2019/dark/dark_thm.jpg)
pdf | [Photo Album]
![Cygnus A](/photo/2019/cyga/cyga_thm.jpg)
pdf | [Photo Album]
![ASASSN-14li](/photo/2019/bhspin/bhspin_thm.jpg)
pdf | [Photo Album]
Handouts: '21 | '20 | | '18 | '17 | '16 | '15 | '14 | '13 | '12 | '11 | '10 | '09 | '08 | '07 | '06 | '05 | '04 | '03 | '02 | '01 | '00 | '99