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James Webb Space Telescope
NASA's $10 billion observatory launched 2021; sees the universe's first stars 13.6 billion years ago
USA/ESA πΊπΈ 2021 Stars & Galaxies
Key Facts
- 1
Launched 25 December 2021; positioned at L2 point 1.5 million km from Earth; $10 billion cost
- 2
Observes in infrared (not visible light like Hubble); can see through dust clouds and the earliest universe
- 3
First images (July 2022): deepest infrared image of the universe ever taken; confirmed first light galaxies from 300 million years after Big Bang
π Did you know? JWST is so cold (β233Β°C) and sensitive it could detect the heat of a bumblebee on the Moon from Earth
Quick Reference
Category
Stars & Galaxies
Region
πΊπΈ USA/ESA
Year / Era
2021
About
NASA's $10 billion observatory launched 2021