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Oprettede eller redigerede 4 arkivlinks ud af 5 analyserede links, se hjælp) #IABot (v2.0.8.6 |
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== Eksterne henvisninger ==
* Google: [http://directory.google.com/Top/Science/Astronomy/Interstellar_Medium/ Interstellar Medium] {{Webarchive|url=https://web.archive.org/web/20030413164059/http://directory.google.com/Top/Science/Astronomy/Interstellar_Medium/ |date=13. april 2003 }}
* [http://bioch.szote.u-szeged.hu/astrojan/nebula1.htm Planetary Nebulae Images – Galactic Nebula Pictures Photos] {{Webarchive|url=https://web.archive.org/web/20030415080456/http://bioch.szote.u-szeged.hu/astrojan/nebula1.htm |date=15. april 2003 }}
* [http://bioch.szote.u-szeged.hu/astrojan/nebulat.htm Planetary and Galactic Nebulae] {{Webarchive|url=https://web.archive.org/web/20030624062530/http://bioch.szote.u-szeged.hu/astrojan/nebulat.htm |date=24. juni 2003 }}
* [http://imagine.gsfc.nasa.gov/docs/dict_jp.html#N Nebula] {{Webarchive|url=https://web.archive.org/web/20030401175308/http://imagine.gsfc.nasa.gov/docs/dict_jp.html#N |date= 1. april 2003 }}
* Hubblesite: [http://hubblesite.org/newscenter/archive/category/nebula/ nebula]
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