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Spitzer captures infrared rays from 'Sunflower' galaxy

Date:
March 7, 2011
Source:
NASA/Jet Propulsion Laboratory
Summary:
The various spiral arm segments of the Sunflower galaxy, also known as Messier 63, show up vividly in a new image taken in infrared light by NASA's Spitzer Space Telescope. Infrared light is sensitive to the dust lanes in spiral galaxies, which appear dark in visible-light images. Spitzer's view reveals complex structures that trace the galaxy's spiral arm pattern.

This image from NASA's Spitzer Space Telescope shows infrared light from the Sunflower galaxy, otherwise known as Messier 63. Spitzer's view highlights the galaxy's dusty spiral arms.
Credit: NASA/JPL-Caltech

The various spiral arm segments of the Sunflower galaxy, also known as Messier 63, show up vividly in this image taken in infrared light by NASA's Spitzer Space Telescope. Infrared light is sensitive to the dust lanes in spiral galaxies, which appear dark in visible-light images. Spitzer's view reveals complex structures that trace the galaxy's spiral arm pattern.

Messier 63 lies 37 million-light years away -- not far from the well-known Whirlpool galaxy and the associated Messier 51 group of galaxies.

The dust, glowing red in this image, can be traced all the way down into the galaxy's nucleus, forming a ring around the densest region of stars at its center.

The short, diagonal line seen on the lower right side of the galaxy's disk is actually a much more distant galaxy, oriented with its edge facing toward us.

Blue shows infrared light with wavelengths of 3.6 microns, green represents 4.5-micron light, and red, 8.0-micron light. The contribution from starlight measured at 3.6 microns has been subtracted from the 8.0-micron image to enhance the visibility of the dust features.


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. "Spitzer captures infrared rays from 'Sunflower' galaxy." ScienceDaily. ScienceDaily, 7 March 2011. <www.sciencedaily.com/releases/2011/03/110306152300.htm>.
NASA/Jet Propulsion Laboratory. (2011, March 7). Spitzer captures infrared rays from 'Sunflower' galaxy. ScienceDaily. Retrieved August 30, 2014 from www.sciencedaily.com/releases/2011/03/110306152300.htm
NASA/Jet Propulsion Laboratory. "Spitzer captures infrared rays from 'Sunflower' galaxy." ScienceDaily. www.sciencedaily.com/releases/2011/03/110306152300.htm (accessed August 30, 2014).

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