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Swedish-ESO telescope photographed under Chilean night sky

Original: Massive antenna, silent mirror 📡 The 15-metre diameter surface of the Swedish-ESO Submillimetre Telescope (SEST) reflect

The European Southern Observatory has shared a striking image of the Swedish-ESO Submillimetre Telescope at the La Silla Observatory in Chile. The 15-metre dish stands against the dark sky, its surface tinted by faint natural airglow from atoms in Earth's atmosphere. The photograph highlights the quiet grandeur of the decommissioned submillimetre instrument, once a key facility for southern-hemisphere astronomy.

Why now: ESO's dramatic night-sky photograph of the iconic telescope is captivating astronomy enthusiasts.

European Southern ObservatorySwedish-ESO Submillimetre TelescopeLa Silla ObservatoryChile

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• Massive antenna, silent mirror 📡 The 15-metre diameter surface of the Swedish-ESO Submillimetre Telescope (SEST) reflects the dark night sky over ESO's La Silla Observatory in # Chile , coloured here by the faint natural airglow coming from atoms in our atmosphere. While no… · esoastronomy · 39

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