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A cosmic inkblot test: Spitzer captures view of Dumbbell Nebula

Date:
August 15, 2011
Source:
NASA/Jet Propulsion Laboratory
Summary:
If this were an inkblot test, you might see a bow tie or a butterfly depending on your personality. An astronomer would likely see the remains of a dying star scattered about space -- precisely what this is. NASA's Spitzer Space Telescope captured this infrared view of what's called a planetary nebula, which is a cloud of material expelled by a burnt out star, called a white dwarf. This object is named the Dumbbell Nebula after its resemblance to the exercise equipment in visible-light views.

The "Dumbbell Nebula," also known as Messier 27, pumps out infrared light in this image from NASA's Spitzer Space Telescope.
Credit: NASA/JPL-Caltech/Harvard-Smithsonian CfA

If this were an inkblot test, you might see a bow tie or a butterfly depending on your personality. An astronomer would likely see the remains of a dying star scattered about space -- precisely what this is. NASA's Spitzer Space Telescope captured this infrared view of what's called a planetary nebula, which is a cloud of material expelled by a burnt out star, called a white dwarf. This object is named the Dumbbell Nebula after its resemblance to the exercise equipment in visible-light views.

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"It is interesting how different Spitzer's view of the Dumbbell looks compared to optical images," said Dr. Joseph Hora, the principal investigator of the observations from the Harvard Smithsonian Center for Astrophysics, Cambridge, Mass.

In Spitzer's infrared view, the diffuse green glow, which is brightest near the center, is probably from hot gas atoms being heated by the ultraviolet light from the central white dwarf. A collection of clumps fill the central part of the nebula, and red-colored radial spokes extend well beyond. Astronomers think these features represent molecules of hydrogen gas, mixed with traces of heavier elements. Despite being broken apart by the ultraviolet light from the central white dwarf, much of this molecular material may survive intact and mix back into interstellar gas clouds, helping to fuel the next generation of stars.

NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate, Washington. Science operations are conducted at the Spitzer Science Center at the California Institute of Technology in Pasadena. Caltech manages JPL for NASA. For more information about Spitzer, visit http://spitzer.caltech.edu/ and http://www.nasa.gov/spitzer .


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "A cosmic inkblot test: Spitzer captures view of Dumbbell Nebula." ScienceDaily. ScienceDaily, 15 August 2011. <www.sciencedaily.com/releases/2011/08/110812094035.htm>.
NASA/Jet Propulsion Laboratory. (2011, August 15). A cosmic inkblot test: Spitzer captures view of Dumbbell Nebula. ScienceDaily. Retrieved March 2, 2015 from www.sciencedaily.com/releases/2011/08/110812094035.htm
NASA/Jet Propulsion Laboratory. "A cosmic inkblot test: Spitzer captures view of Dumbbell Nebula." ScienceDaily. www.sciencedaily.com/releases/2011/08/110812094035.htm (accessed March 2, 2015).

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