NASAWebb scientists Dr. Heidi Hammel & Dr. Matt Mountain explained why Webb will be the *coolest* telescope ever... -393 degrees F or -236 degrees C cool, to be exact. More fun facts #Science
NASAWebb scientists Dr. Heidi Hammel & Dr. Matt Mountain explained why Webb will be the *coolest* telescope ever... -393 degrees F or -236 degrees C cool, to be exact. More fun facts #Science
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