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Purple haze of stars at night key chains
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  • Button Keychain: Front
    Front
  • Button Keychain: Side
    Side
About this product
Style: Premium Square Keychain
Add images and text to this elegant silver-colored 1.38" x 1.38" square keychain and carry your loved ones with you everywhere you go. The waterproof, UV coating means your images will look like new for years. Great gifts for all your family and friends.
  • Full-color, full-bleed printing
  • Silver Colored Metal Charm & Ring
  • UV Resistant and Waterproof
  • Add Photos, Artwork and Text
  • No minimum order
PREMIUM SQUARE KEYCHAIN SPECIFICATIONS
Diameter: 1.38 inches. Great for small bags and pockets.
Depth: .19 inches
Weight: .75 ounces
Designer Tip: To ensure the highest quality print, please note that this product’s customizable design area measures 1.16" x 1.16". For best results please add 1/16" bleed.

PREMIUM LARGE SQUARE KEYCHAIN SPECIFICATIONS
Diameter: 2 inches
Depth: .19 inches
Weight: 1.625 ounces
Designer Tip: To ensure the highest quality print, please note that this product’s customizable design area measures 1.83" x 1.83". For best results please add 1/16" bleed.
About this design
Purple haze of stars at night key chains
A massive cluster of galaxies located about 2.3 billion light years away, Abell 1689, shows signs of merging activity. Hundred-million-degree gas detected by NASA's Chandra X-ray Observatory is shown as purple in this image, while galaxies from optical data from the Hubble Space Telescope are colored yellow. The X-ray emission has a smooth appearance, unlike other merging systems such as the Bullet Cluster or MACS J0025.4-1222. The temperature pattern across Abell 1689 is more complicated, however, possibly requiring multiple structures with different temperatures. The long arcs in the optical image are caused by gravitational lensing of background galaxies by matter in the galaxy cluster, the largest system of such arcs ever found. Further studies of this cluster are needed to explain the lack of agreement between mass estimates based on the X-ray data and on the gravitational lensing. Previous work suggests that filament-like structures of galaxies are located near Abell 1689 along our line-of-sight to this cluster, which may bias mass estimates using gravitational lensing.
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Purple haze of stars at night key chains

$19.95 per keychain
Artwork designed by Nasaworld. Made by Zazzle Flair in San Jose, CA. Sold by Zazzle.
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Other Info

Product ID: 146840876277880841
Created on: 3/1/2011 9:18 AM
Reference: Guide Files