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    You are at:Home»Science & Technology»Inventions»History Short: When Earth Attacked a Comet!
    Inventions

    History Short: When Earth Attacked a Comet!

    Major DanBy Major DanJanuary 12, 2023No Comments2 Mins Read
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    Deep Impact

    A Brief History

    On January 12, 2005, the American space exploration agency known as NASA launched a mission called Deep Impact, a probe designed to violently impact the comet Tempel 1.

    Digging Deeper

    The goal of the Deep Impact project was to have an “impactor” strike the comet hard enough to dislodge material from the comet’s core for NASA scientists to study the material that makes up the core.

    On July 4, 2005, the impactor performed as designed and struck the comet a mighty blow, leaving a crater and dislodging core material.  Analysis of the dislodged material revealed a greater concentration of space dust and less icy material than suspected.

    The main space craft part of Deep Impact continued on to explore space until contact with the space craft was lost in August of 2013.

    Question for students (and subscribers): Is the tremendous cost of the space program worth it?   Please let us know in the comments section below this article.

    If you liked this article and would like to receive notification of new articles, please feel welcome to subscribe to History and Headlines by liking us on Facebook and becoming one of our patrons!

    Your readership is much appreciated!

    Historical Evidence

    For more information, please see…

    Bolte, Mari. Finding Life in the Universe.  Cherry Lake Publishing, 2022.

    Murdin, Paul. The Universe: A Biography.  Thames & Hudson, 2022.

    The featured image in this article, a computer rendering of the Deep Impact space probe after separation of the impactor, is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that “NASA material is not protected by copyright unless noted“.

    You can also watch video versions of this article on YouTube.

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    Major Dan

    Major Dan is a retired veteran of the United States Marine Corps. He served during the Cold War and has traveled to many countries around the world. Prior to his military service, he graduated from Cleveland State University, having majored in sociology. Following his military service, he worked as a police officer eventually earning the rank of captain prior to his retirement.

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