What could the James Webb telescope see of the closest exoplanet? | Ars Technica
NASA's most powerful space telescope ever is ready for preflight testing - The Verge
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James Webb telescope: Hubble successor set for yet more tests - BBC News
File:James Webb Space Telescope Mirrors Will Piece Together Cosmic Puzzles (30108124923).jpg - Wikimedia Commons
Press Releases 2016 | ESO
James Webb passes critical test as telescope moves toward 2021 launch - NASASpaceFlight.com
Teleskop Vergleich » Die besten Teleskope 2022 im Test
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Aperture spherical telescope "FAST" to be completed within 2016 (2) - People's Daily Online
Kepler space telescope - Wikipedia
Telescope That 'Ate Astronomy' Is on Track to Surpass Hubble - The New York Times
Baader Planetarium on Twitter: "Unabhängiger Test des Spektivs Celestron Regal M2 80ED Preis/Leistung sehr gut! https://t.co/z3gJGDxfqF https://t.co/KHHDfQ31hv" / Twitter