Webb telescope discovers hidden exoplanet in famous star system
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Astronomers using NASA's James Webb Space Telescope have discovered a giant exoplanet hiding within one of the most intensely studied planetary systems in the Milky Way. The finding adds a new member to a system already known for its unusual architecture.
The Discovery
The James Webb Space Telescope identified the exoplanet in a system previously thought to contain only three planets. The new planet is a gas giant with a mass several times that of Jupiter, orbiting its star at a distance that places it in the habitable zone. The discovery was made possible by Webb's infrared sensitivity, which allowed it to detect the planet's thermal emission.
System Significance
The star system, located about 40 light-years from Earth, has been a target for exoplanet research for over a decade. The newly found planet orbits within the habitable zone, where liquid water could exist, but its gaseous composition makes it unlikely to host life. The system now contains four known planets, with orbits that challenge current formation models.
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