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March 25, 2017

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The great galaxy in Andromeda has an angular diameter along its long axis of about 5 degree. Its distance is about 2.2 million light years. What is its linear diameter?

  • Astronomy - ,

    I answered this question about three days ago. All you had to do was multiply two numbers, which I provided. Please read it again and perform the remaining step.

    http://www.jiskha.com/display.cgi?id=1269724510

  • Astronomy - ,

    191000ly

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