Comments by "H. de Jong" (@h.dejong2531) on "Major New James Webb Space Telescope Update! (Fully Focused)" video.

  1. about $10B spread over 25 years, or less than $500M per year. A small price to pay for a major leap in our knowledge of the universe.
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  2. 0:39 JWST isn't operational quite yet. It'll become operational after instrument commissioning.
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  3.  @swinuyasha  JWST is in a large orbit around the L2 point, this orbit is designed so the spacecraft never enters Earth's shadow.
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  4. Electricity is provided by solar panels.
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  5. The environmental damage caused by rockets is tiny, compared to e.g. aircraft. And SpaceX's rockets already pollute a lot less than e.g. the Space Shuttle (solid boosters are a lot worse than methane or kerosene).
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  6. not quite. 1:07, 1:24 and 3:11 are JWST images.
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