The Apollo program is a constant reminder that we just don’t need so much to get the job done. Sure it’s easier with today’s tools, but hard work can do it too. [Bill Hammack] elaborates on one such ...
A "selfie" taken by the James Webb Space telescope during the early stages of calibration process. NASA SHARE Focusing a six-ton, $10 billion space telescope isn’t as simple as turning the focus ring ...
Collimation aligns a telescope's parts for the sharpest images. Most telescopes need collimation at some point; reflectors need it often. Tools like laser collimators or Chashires help align the ...
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