if you've watched any of our videos
about the james webb space telescope
you've probably noticed the eye-catching
massive gold mirrors the primary and
secondary mirrors are covered in 48
grams of gold about the same mass as a
golf ball but the gold coating is not
just about webb looking dazzling and
epic from space it actually serves an
important purpose gold is highly
reflective of infrared wavelengths which
will help webb focus light from distant
objects into its instruments tap the
link to learn more about the james webb
space telescope