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Interstellar Medium

• 1
• Interstellar Medium Learning pages
• Page http://www-ssg.sr.unh.edu/ism/
• About ISM from history of observation to current status of understanding.

• 2
• ARVAL Catalog of Bright Planetary Nebulas
• Page http://www.oarval.org/PNeb.htm
• A text table, with name, size, magnitude, area, NGC number, type, RA, dec., and visual quality.

• 3
• Hubble Witnesses the Final Blaze of Glory of Sun-Like Stars
• Page http://hubblesite.org/newscenter/archive/releases/1997/38
• A news release that includes photos and videos.

• 4
• Planetary Nebula Sampler
• Page http://www.noao.edu/jacoby/pn_gallery.html
• General information and photos.