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 | '19 | '18 | | '16 | '15 | '14 | '13 | '12 | '11 | '10 | '09 | '08 | '07 | '06 | '05 | '04 | '03 | '02 | '01 | '00 | '99
![Perseus Cluster](/photo/2017/dark/dark_thm.jpg)
pdf | [Photo Album]
![Cassiopeia A](/photo/2017/casa_life/casa_life_thm.jpg)
pdf | [Photo Album]
![](/photo/2017/m31/m31_thm.jpg)
pdf | [Photo Album]
![Jupiter](/photo/2017/jupiter/jupiter_thm.jpg)
pdf | [Photo Album]
![MACS J1149.5+2233](/photo/2017/macsj1149/macsj1149_thm.jpg)
pdf | [Photo Album]
![GW170817](/photo/2017/2nstars/2nstars_thm.jpg)
pdf | [Photo Album]
![J140737](/photo/2017/doubleagn/doubleagn_140737_xray_opt_thm.jpg)
pdf | [Photo Album]
![V745 Sco](/photo/2017/v745/v745_thm.jpg)
pdf | [Photo Album]
![](/photo/2017/gj176/gj176_thm.jpg)
pdf | [Photo Album]
![IC 10](/photo/2017/ic10/ic10_thm.jpg)
pdf | [Photo Album]
![W51](/photo/2017/w51/w51_thm.jpg)
pdf | [Photo Album]
![Arp 299](/photo/2017/arp299/arp299_thm.jpg)
pdf | [Photo Album]
![R Aquarii](/photo/2017/raqr/raqr_thm.jpg)
pdf | [Photo Album]
![Chandra Deep Field South](/photo/2017/cdfs2/cdfs2_thm.jpg)
pdf | [Photo Album]
![CXO J101527.2+625911](/photo/2017/rsmbh/rsmbh_thm.jpg)
pdf | [Photo Album]
![Crab Nebula](/photo/2017/crab/crab_thm.jpg)
pdf | [Photo Album]
![Perseus Cluster](/photo/2017/perseus/perseus_thm.jpg)
pdf | [Photo Album]
![Abell 262](/photo/2017/clusters/clusters_a262_comp_thm.jpg)
pdf | [Photo Album]
![NGC 4696](/photo/2017/ngc4696/ngc4696_thm.jpg)
pdf | [Photo Album]
![CDF-S Transient](/photo/2017/cdfsxt1/cdfsxt1_thm.jpg)
pdf | [Photo Album]
![47 Tucanae](/photo/2017/47tuc/47tuc_thm.jpg)
pdf | [Photo Album]
![Supernova 1987A](/photo/2017/sn1987a/sn1987a_thm.jpg)
pdf | [Photo Album]
![XJ1500+0154](/photo/2017/tidal/tidal_thm.jpg)
pdf | [Photo Album]
![Geminga](/photo/2017/geminga/geminga_comp_thm.jpg)
pdf | [Photo Album]
![Chandra Deep Field South](/photo/2017/cdfs/cdfs_thm.jpg)
pdf | [Photo Album]
![Abell 3411 and 3412](/photo/2017/a3411/a3411_thm.jpg)
pdf | [Photo Album]
Handouts: '21 | '20 | '19 | '18 | | '16 | '15 | '14 | '13 | '12 | '11 | '10 | '09 | '08 | '07 | '06 | '05 | '04 | '03 | '02 | '01 | '00 | '99