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Celestial Laser Show? Nope, These Are Trails Showing Off Star Colors
Star trails above the European Space Observatory’s Paranal Observatory in Chile, showing three of the four auxiliary telescopes of the Very Large Telescope Interferometer (VLTI). Credit: ESO/B. Tafreshi
There are so many colorful streaks in that image above that you’d be forgiven for thinking somebody is shooting lasers around the European Southern Observatory (ESO) in Chile. Actually, though, this demonstrates a common technique for astronomy photo-taking where you do a time lapse to watch the stars moving as the Earth makes its daily rotation.
The image of auxiliary telescopes of Very Large Telescope Interferometer is not only pretty, but does have some scientific interest as well, ESO said.
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Read the rest of Celestial Laser Show? Nope, These Are Trails Showing Off Star Colors (130 words)
© Elizabeth Howell for Universe Today, 2013. |
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Post tags: chile, European Southern Observatory, very large telescope interferometer
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Source: http://www.universetoday.com/107349/celestial-laser-show-nope-these-are-trails-showing-off-star-colors/
