spaceflight, 5 months ago 🇪🇺 #ELT scheduled for 📆 2028 : Surface irregularities of the mirror 📡 reduced to under 10 nanometers, less than one-thousandth 🔬 of the width of a human hair by a technique called ion-beaming figuring, which involves a beam of ions sweeping across the mirror's surface, eliminating irregularities one #atom ⚛️ at a time https://interestingengineering.com/innovation/mirror-segments-of-the-worlds-largest-optical-telescope-arrive-in-chile The world's biggest eye 👁️ on the sky 🌌 https://elt.eso.org Pictures : https://commons.wikimedia.org/wiki/File:Construction_of_the_ELT_dome_foundations_begins.jpg https://commons.wikimedia.org/wiki/File:Looking_out_over_the_ELT_construction_site_(elt-huedepohl-aug2023-drone2).jpg https://commons.wikimedia.org/wiki/File:Night_view_of_the_ELT_under_construction_atop_Cerro_Armazones_(eso2310a).jpg https://commons.wikimedia.org/wiki/File:A_beauty_and_a_beast_(dji-0654).jpg image/jpeg image/jpeg image/jpeg
🇪🇺 #ELT scheduled for 📆 2028 : Surface irregularities of the mirror 📡 reduced to under 10 nanometers, less than one-thousandth 🔬 of the width of a human hair by a technique called ion-beaming figuring, which involves a beam of ions sweeping across the mirror's surface, eliminating irregularities one #atom ⚛️ at a time https://interestingengineering.com/innovation/mirror-segments-of-the-worlds-largest-optical-telescope-arrive-in-chile
The world's biggest eye 👁️ on the sky 🌌 https://elt.eso.org
Pictures : https://commons.wikimedia.org/wiki/File:Construction_of_the_ELT_dome_foundations_begins.jpg https://commons.wikimedia.org/wiki/File:Looking_out_over_the_ELT_construction_site_(elt-huedepohl-aug2023-drone2).jpg https://commons.wikimedia.org/wiki/File:Night_view_of_the_ELT_under_construction_atop_Cerro_Armazones_(eso2310a).jpg https://commons.wikimedia.org/wiki/File:A_beauty_and_a_beast_(dji-0654).jpg
image/jpeg image/jpeg image/jpeg