3 ATs

Posted on May 5, 2024  •  1 minutes  • 121 words

图文来源自：nasa. copyright: Yuri Beletsky

Despite their resemblance to,these three are not the droids you’re looking for.Instead, the enclosures house 1.8 meter(ATs) at Paranal Observatory in theregion of Chile.The ATs are designed to be used,a technique for achieving extremely high resolution observations,in concert with the observatory’s 8 meter.A total of four ATs are operational, eachfitted with a transporterthe telescope along a track allowing different arrays with the large unittelescopes.To work as an interferometer, the light from each telescopeis brought to a common focal point by a systemof mirrors in underground tunnels.Above these three ATs, the Large and Smallare the far, far away satellite galaxies of our own Milky Way.In the clear and otherwise dark southern skies,planet Earth’s greenish atmospheric faintlyalong the horizon.