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SPACE HELIX
RTR17774 
March 15, 2006 
Cosmic nebulae usually look like disorganized blobs in space, but astronomers using the Spitzer Space... 
Washington, UNITED STATES 
Handout image of a double helix nebula for SPACE HELIX 
Cosmic nebulae usually look like disorganized blobs in space, but astronomers using the Spitzer Space Telescope reported on March 15, 2006 that they have found a nebula twisted like the double helix on DNA. The double helix nebula, shown in this undated handout image, appears on the left side of the reddish inset image; the larger-field greenish image is a shorter-wavelength infrared image made recently with the IRAC camera on the Spitzer Space Telescope. The colors used for these images are false colors since the eye is not sensitive to infrared light. The spots are infrared-luminous stars, mostly red giants and red supergiants. REUTERS/NASA/JPL-Caltech/Handout 
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