Venus' twin found: NASA's James Webb telescope spots mysterious 'Super-Venus' exoplanet 48 light-years away

Dubbed a "super-Venus," GJ 1214 b shares features with Venus. (Image: AI Generated)

Astronomers using the James Webb Space Telescope have revealed a planet unlike any other. GJ 1214 b, located 48 light-years away in Ophiuchus, defies typical planetary classifications. With a dense carbon dioxide atmosphere, it offers a fresh perspective on exoplanet research and evolution.

A Unique Planet with Carbon Features
GJ 1214 b occupies a rare position in planetary classification. It sits between Earth-like rocky worlds and Neptune-like ice giants. Unlike earlier theories, this planet is neither hydrogen-rich nor water-dominated. Instead, observations show its atmosphere is mostly carbon dioxide.

The James Webb telescope's advanced spectroscopy allowed scientists to study the planet’s atmosphere. Starlight passing through GJ 1214 b’s clouds revealed its unusual composition. Researcher Kazumasa Ohno noted the precise data required rigorous analysis. The findings provide new insights into planetary atmospheres.

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Rethinking Planetary Formation and Evolution
Dubbed a "super-Venus," GJ 1214 b shares features with Venus. However, its extreme carbon dioxide levels hint at a unique formation. This discovery challenges long-held ideas about mid-sized planets’ structures and origins.

Theories suggest the dense atmosphere results from intense geological activity. Its evolution might bridge the gap between terrestrial worlds and gas giants. Scientists believe studying GJ 1214 b will help refine planetary formation models.

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A Path for Future Discoveries
GJ 1214 b demonstrates the James Webb telescope’s power in space exploration. Observing such distant worlds involves detailed analysis and innovative methods. Astronomers now aim to study similar exoplanets for further insights.

This discovery expands the possibilities for planetary science, showing space’s complexity. GJ 1214 b is a reminder of the rich diversity of worlds in our universe.