James Webb Space Telescope discovers the coldest interstellar ice ever seen

James Webb Space Telescope discovers the coldest interstellar ice ever seen

Not only does NASA’s newest space telescope extend astronomers’ view deeper into the universe, it also reaches colder temperatures than scientists have before.

The James Webb Space Telescope (JWST or Webb), the most powerful space observatory yet, has looked deep into a dense molecular cloud and found a rich variety of pristine interstellar ice, including a range of molecules critical to life. Spotted at freezing temperatures of minus 440 degrees Fahrenheit (minus 263 degrees Celsius), these finds are the coldest ices ever recorded.

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