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Observing the Milky Way using the Laser Guide Star Coffee Mug

$16.95

per mug

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  • Left
    Left
  • Front Left
    Front Left
  • Center
    Center
  • Front Right
    Front Right
  • Right
    Right
  • Handle
    Handle
  • With Donut
    With Donut
Observing the Milky Way using the Laser Guide Star Coffee Mug
Designed for youby Astronomical
Classic Mug
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About This Product
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Style: Classic Mug

Give a made-to-order mug from Zazzle to someone special, or treat yourself to a design that brings you joy or makes you laugh. Create your own photo mug, shop our collection of the funniest joke mugs, personalize your mug with a monogram, or express yourself with one of our 10 million designs.

  • Available in 11-ounce or 15-ounce
  • Dimensions:
    • 11-ounce: 3.8” h x 3.2” diameter
    • 15-ounce: 4.5” high x 3.4” diameter
  • Microwave and dishwasher safe
  • Strong, ceramic construction
  • Meets or exceeds FDA requirements for food and beverage safety
  • Printed on demand in San Jose, California
About This Design
available on or 34 products
Observing the Milky Way using the Laser Guide Star Coffee Mug
ESO’s Paranal Observatory. A group of astronomers were observing the center of the Milky Way using the Laser Guide Star (LGS) facility at Yepun, one of the four Unit Telescopes of the Very Large Telescope (VLT). Yepun’s laser beam crosses the majestic southern sky and creates an artificial star at an altitude of 90 km high in the Earth's mesosphere. The Laser Guide Star (LGS) is part of the VLT’s adaptive optics system and is used as a reference to correct the blurring effect of the atmosphere on images. The colour of the laser is precisely tuned to energize a layer of sodium atoms found in one of the upper layers of the atmosphere — one can recognize the familiar colour of sodium street lamps in the colour of the laser. This layer of sodium atoms is thought to be a leftover from meteorites entering the Earth’s atmosphere. When excited by the light from the laser, the atoms start glowing, forming a small bright spot that can be used as an artificial reference star for the adaptive optics. Using this technique, astronomers can obtain sharper observations. For example, when looking towards the centre of our Milky Way, researchers can better monitor the galactic core, where a central supermassive black hole, surrounded by closely orbiting stars, is swallowing gas and dust. Image reproduction rights can be found in the link near the bottom of this description. Sign up to Mr. Rebates for FREE and save 12% on any zazzle order in addition to a $5.00 sign up bonus All Rights Reserved; without: prejudice, recourse or notice (U.C.C. 1-308) Image Reproduction Rights: http://commons.wikimedia.org/wiki/File:Laser_Guide_Star_from_VLT%27s_adaptive_optics_system.tif "milky way" observatory stars laser night "night sky" galaxy "milky way galaxy" "pranal observatory" "laser guide star" lgs yepun telescope "high power telescope" "laser beam" "star gazing" mesosphere lgs vlt atmosphere astronomer astronomy cosmology "center of the milky way"
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