The James Webb Space Telescope detects the coldest ever interstellar ice

NASA’s newest space telescope not only extends astronomers’ view deeper into the universe, but it also reaches cooler temperatures than scientists have done before.

the James Webb Space Telescope (JWST or Webb), the most powerful space observatory to date, peered deep into a dense molecular cloud and found a rich variety of interstellar ices – including a host of molecules important to life. The discoveries were made in frigid temperatures of minus 440 degrees Fahrenheit (minus 263 degrees Celsius), the coldest snow ever measured.


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