The James Webb Telescope: Seeing the Universe Like Never Before
NASA's James Webb Space Telescope (JWST) is rewriting astronomy textbooks. Discover how it sees back in time to the birth of the first stars.
Introduction
Launched in 2021, the JWST is the most powerful telescope ever built. Unlike Hubble, which sees visible light, Webb sees in infrared.
Why Infrared?
Light from the earliest stars has stretched into infrared as the universe expanded. Webb can see this "invisible" light, allowing us to look back 13.5 billion years.
Related: Is There Life on Mars? The Search for Extraterrestrial Life
Key Discoveries
- First Galaxies: It has found galaxies that formed just after the Big Bang.
- Exoplanet Atmospheres: It is analyzing the air of distant planets to see if they can support life.
- Stellar Nurseries: Stunning images of stars being born in the Carina Nebula.
Conclusion
Webb is just getting started. It promises to answer the biggest question: Are we alone?
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