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kchangnyt's profile
Kenneth Chang
Kenneth Chang
Kenneth Chang
@kchangnyt

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Kenneth Chang

@kchangnyt

Science reporter at the New York Times. Pluto, dinosaurs, NASA, viral math & more...

New York, NY
nytimes.com/by/kenneth-cha…
Joined April 2014

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    1. Kenneth Chang‏ @kchangnyt 26 May 2016

      Nathan Myhrvold's “simple guide” to his 110-page NEOWISE asteroid criticisms is 5,400 words, not including refs http://bit.ly/1WklGWJ 

      1 reply 3 retweets 0 likes
    2. iDreamOfSushi‏ @FaizaFaria 27 May 2016
      Replying to @kchangnyt

      And a simple way to see how *wildly* wrong that guy is, just see the three verifiable measures - https://groups.yahoo.com/neo/groups/mpml/conversations/messages/32032 …

      1 reply 0 retweets 0 likes
    3. Kenneth Chang‏ @kchangnyt 27 May 2016
      Replying to @FaizaFaria

      NEOWISE is wildly wrong at times too. Would be amazing if it weren’t. It’s assuming spherical asteroids + fudge factors.

      2 replies 0 retweets 0 likes
    4. iDreamOfSushi‏ @FaizaFaria 27 May 2016
      Replying to @kchangnyt

      Do you have an example of NEOWISE being wildly wrong? Anything like this guy saying 39x34km asteroid is actually 6.6km?

      1 reply 0 retweets 0 likes
      Kenneth Chang‏ @kchangnyt 27 May 2016
      Replying to @FaizaFaria

      Al the Elder mentioned asteroids with NEOWISE albedos of ~1.0. No one thinks they are really that bright.

      4:36 PM - 27 May 2016
      2 replies 0 retweets 0 likes
        1. New conversation
        1. iDreamOfSushi‏ @FaizaFaria 27 May 2016
          Replying to @kchangnyt

          Specifically: any example of NEOWISE measurement of the size of a known size asteroid being wildly wrong? One example?

          1 reply 0 retweets 0 likes
        2. Kenneth Chang‏ @kchangnyt 27 May 2016
          Replying to @FaizaFaria

          1. Their own claim is error more than 10% half of the time,

          1 reply 0 retweets 0 likes
        3. 11 more replies
        1. iDreamOfSushi‏ @FaizaFaria 27 May 2016
          Replying to @kchangnyt

          Known size means directly measured using occultation or radar or near-pass. Which BTW is why NEOWISE used those to calibrate.

          0 replies 0 retweets 0 likes
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