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NASAWebb's profile
NASA Webb Telescope
NASA Webb Telescope
NASA Webb Telescope
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@NASAWebb

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NASA Webb TelescopeVerified account

@NASAWebb

NASA's James Webb Space Telescope will #UnfoldTheUniverse and show us things we've never seen before.

webb.nasa.gov
Joined April 2009

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    1. Dr. Amber Straughn‏Verified account @astraughnomer 26 Nov 2012

      "Our knowledge of this deep core of the Universe is about to get extremely detailed" http://bit.ly/SoUZdW  @massimastro #JWST

      2 replies 0 retweets 0 likes
    2. Keaton Stone‏ @KeatonStone 26 Nov 2012
      Replying to @astraughnomer

      @astraughnomer Just urgently fact checking the JWST film - can I check please - is John Mather a Dr or Prof please?

      1 reply 0 retweets 0 likes
    3. Dr. Amber Straughn‏Verified account @astraughnomer 26 Nov 2012
      Replying to @KeatonStone

      @Keaton_S "Dr." is fine. Hope you guys had a nice trip out to L.A.!

      2 replies 0 retweets 0 likes
    4. Keaton Stone‏ @KeatonStone 26 Nov 2012
      Replying to @astraughnomer

      @astraughnomer Thanks for that answer - also do you know how much each mirror ways and what the surface diameter of each is please?

      1 reply 0 retweets 0 likes
    5. Dr. Amber Straughn‏Verified account @astraughnomer 26 Nov 2012
      Replying to @KeatonStone

      @Keaton_S mass=21 kg diameter of segments = 1.32m

      2 replies 0 retweets 0 likes
    6. Keaton Stone‏ @KeatonStone 26 Nov 2012
      Replying to @astraughnomer

      @astraughnomer @nasawebbtelescp On JWST FAQ site it says the 18 mirror segments weigh 625kg in total. Divide that by 18 = 34.7kg each?

      1 reply 0 retweets 0 likes
      NASA Webb Telescope‏Verified account @NASAWebb 26 Nov 2012
      Replying to @KeatonStone

      @Keaton_S @astraughnomer The mirror segments are 44lbs each. Quite light! Converted, that's 19.95 kg but please check my math!

      10:28 AM - 26 Nov 2012
      2 replies 0 retweets 0 likes
        1. Dr. Amber Straughn‏Verified account @astraughnomer 26 Nov 2012
          Replying to @NASAWebb

          @NASAWebbTelescp @Keaton_S sorry for the conflicting info. Go w/ that number ^^ ...it's somewhere around 20kg

          0 replies 0 retweets 0 likes
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        1. Keaton Stone‏ @KeatonStone 26 Nov 2012
          Replying to @NASAWebb

          @NASAWebbTelescp @astraughnomer Great stuff thanks, glad I asked as from the website 625kg - 18 = 34.7kg each -but I'll go with yr answer!

          1 reply 0 retweets 0 likes
        2. NASA Webb Telescope‏Verified account @NASAWebb 26 Nov 2012
          Replying to @KeatonStone

          @Keaton_S @astraughnomer It's definitely 44lbs or ~20kg. The mirrors have other hardware on them (actuators) adding to weight of total.

          3 replies 0 retweets 0 likes
        3. Show replies

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