詹姆斯·韋伯太空望遠鏡在系外行星 TOI-561 b 上發現大氣層
James Webb Telescope Finds Atmosphere on Exoplanet TOI-561 b
詹姆斯·韋伯太空望遠鏡有了開創性的發現：系外行星TOI-561 b擁有濃厚的大氣層，這顛覆了傳統的科學模型。
The James Webb Space Telescope (JWST) has made a groundbreaking discovery: the exoplanet TOI-561 b possesses a thick atmosphere, defying traditional scientific models.
通常，如此靠近恆星的「超級地球」會因強烈的輻射而失去其氣體外殼。
Usually, a "super-Earth" this close to its star would lose its gaseous envelope due to intense radiation.
然而，這顆繞行其恆星週期不到11小時的TOI-561 b，卻保留了一層富含揮發性物質的保護層。
However, TOI-561 b, which orbits its star in under 11 hours, retains a volatile-rich blanket.
雖然一顆裸露的岩石行星理論上應該達到2,700°C，但TOI-561 b的溫度卻維持在較涼爽的1,800°C。
While a bare, rocky planet should reach 2,700°C, TOI-561 b remains at a cooler 1,800°C.
這顯示其大氣層能有效地將熱量重新分配到行星各處。
This suggests that its atmosphere effectively redistributes heat around the planet.
專家將這個世界描述為一顆「濕潤岩漿球」，擁有被水蒸氣和二氧化碳等氣體覆蓋的全球岩漿海洋。
Experts describe the world as a "wet lava ball" with a global magma ocean covered by gases like water vapor and carbon dioxide.
這顆行星位於一顆約105億年歷史的古老恆星周圍，是在一種獨特的化學環境中形成的。
Located around an ancient star 10.5 billion years old, this planet formed in a unique chemical environment.
這項發現挑戰了我們對岩石行星演化過程的理解，並證明了即使是極端且不適居的世界也能維持大氣層。
This discovery challenges our understanding of how rocky planets evolve and proves that even extreme, non-habitable worlds can maintain atmospheres.
它為天文學家在銀河系中尋找其他行星的大氣特徵提供了重要的範本。
It provides a vital template for astronomers searching for atmospheric signatures on other planets across the galaxy.
