Will Webb discover alien life on distant worlds? 🤔
Pontoppidan emphasized how commonly scientists speak about infrared light passing through dust ."In fact, mid-infrared light, as seen by MIRI, can pass through 20 times thicker clouds than visible light," he explained. Since young stars form in a short cosmic timespan — sometimes as few as 100,000 years —"their natal clouds have not had time to disperse, hiding what is going on in this critical stage from visible view.
"The second reason has to do with the young stars and giant planets themselves," added Pontoppidan."Both begin their lives as large, puffy structures that contract over time." It's known that young stars grow hotter as they begin to mature, while giant planets cool down — but this means they both"emit more light in the infrared than at visible wavelengths."and planets, while also unlocking the key features of the beginnings of their evolution.
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