क्या वैज्ञानिकों ने K2-18b पर एलियन जीवन की खोज की Scientists confirm that Alien Life found on K218b

Summary of "Unknown: Cosmic Time Machine" (JWST Documentary in Hindi)

This compelling documentary chronicles the journey of the James Webb Space Telescope (JWST) — from its conception to the release of its first images — highlighting the immense scientific, engineering, and emotional effort behind the most ambitious space observatory ever built.

Key Highlights:

1. Purpose and Vision:

Designed to observe the "first light" of the universe, JWST aims to look back 13.5 billion years into the past.

It’s a tool to answer fundamental questions: Where did we come from? Are we alone?



2. Historical Challenge:

JWST was NASA's most complex and risky mission, with 344 single point failures.

Built over 30 years with contributions from NASA, ESA, and CSA, costing $10 billion.



3. Engineering Marvel:

A massive infrared telescope placed 1.6 million km from Earth.

Features include a five-layer sunshield, 18 gold-plated mirror segments, and robotic unfolding in space.



4. Emotional and Personal Stakes:

Thousands of engineers and scientists worked over decades; some devoted their entire careers.

The film shares personal stories, fears of failure, and moments of triumph during deployment and alignment.



5. Launch and Deployment:

Successfully launched on Christmas Day from French Guiana.

Each deployment phase was executed flawlessly — sunshield, mirrors, and instruments — defying the odds.



6. Scientific Breakthroughs:

Captured stunning deep field images showing over 7,000 galaxies in a speck of sky.

Detected carbon dioxide on an exoplanet for the first time, a potential signpost of life.

Observed galactic collisions, star births, and dying stars — all in unprecedented detail.



7. Legacy and Hope:

JWST represents the power of collaboration, resilience, and curiosity.

It's not just a telescope, but a symbol of human potential and hope, offering a glimpse into the origins of the universe and possibly life itself.




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