File:Redrectangle hst full.jpg

The Red Rectangle Nebula. An excellent example of a bipolar nebula and a planetary/protoplanetary nebula.

Sourced from:

NASA: http://antwrp.gsfc.nasa.gov/apod/ap040513.html and http://antwrp.gsfc.nasa.gov/apod/image/0405/redrect_hst_full.jpg

ESA: http://www.esa.int/esaCP/SEMHBNGHZTD_FeatureWeek_0.html and http://esamultimedia.esa.int/images/spcs/hubble/hubble20040511a.tiff

Hubble: http://hubblesite.org/newscenter/archive/releases/2004/11/ and http://imgsrc.hubblesite.org/hu/db/2004/11/images/a/formats/print.jpg

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This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

External Links

• Red Rectangle at ESA/Hubble