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Spitzer sees 'spider web' of stars

Date:
July 20, 2011
Source:
NASA/Jet Propulsion Laboratory
Summary:
Those aren't insects trapped in a spider's web -- they're stars in our own Milky Way galaxy, lying between us and another spiral galaxy called IC 342. NASA's Spitzer Space Telescope captured this picture in infrared light, revealing the galaxy's bright patterns of dust.

IC 342's dust structures show up vividly in red, in this infrared view from Spitzer.
Credit: NASA/JPL-Caltech

Those aren't insects trapped in a spider's web -- they're stars in our own Milky Way galaxy, lying between us and another spiral galaxy called IC 342. NASA's Spitzer Space Telescope captured this picture in infrared light, revealing the galaxy's bright patterns of dust.

At a distance of about 10 million light-years from Earth, IC 342 is relatively close by galaxy standards. However, our vantage point places it directly behind the disk of our own Milky Way. The intervening dust makes it difficult to see in visible light, but infrared light penetrates this veil easily. While stars in our own galaxy appear as blue/white dots, the blue haze is from IC 342's collective starlight. Red shows the dust structures, which contain clumps of new stars.

The center of the galaxy, where one might look for a spider, is actually home to an enormous burst of star formation. To either side of the center, a small bar of dust and gas is helping to fuel the new 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. "Spitzer sees 'spider web' of stars." ScienceDaily. ScienceDaily, 20 July 2011. <www.sciencedaily.com/releases/2011/07/110720111111.htm>.
NASA/Jet Propulsion Laboratory. (2011, July 20). Spitzer sees 'spider web' of stars. ScienceDaily. Retrieved July 31, 2014 from www.sciencedaily.com/releases/2011/07/110720111111.htm
NASA/Jet Propulsion Laboratory. "Spitzer sees 'spider web' of stars." ScienceDaily. www.sciencedaily.com/releases/2011/07/110720111111.htm (accessed July 31, 2014).

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