/sci/ - Science & Math

Anonymous Tue Oct 3 11:06:31 2023 No.15785339 [View]
File: 400 KB, 1280x853, ELT under construction in August 2023.jpg [View same] [iqdb] [saucenao] [google]

>>15785325
Modern GBT's can be made more powerful and larger than anything that can be launched into orbit in these times
JWST is the largest OST ever launched, cost 20 billion, and is only 6.5 meters in diameter. Such a non-infrared telescope would never be built on the ground
ELT's cost is projected to ~€1.15 billion with a mirror over 5x as large

>>15785331
That too due to the ozone layer

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