Mission Challenge
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Each challenge is presented in two parts. Take a look at the Question Page first. A link to view the Answer Page is provided at the bottom of each Question. For teachers, a list of National Math Standards for each mission challenge is provided at the top of both the Question and Answer pages.

 CURRENT CHALLENGE Q: What was the distance from the Deep Impact spacecraft to the moon on January 16, 2005? Question Page Answer Page

 PREVIOUS CHALLENGES Q: How far away will the flyby spacecraft be when the impactor hits Tempel 1? Question Page Answer Page Q: How fast will the impactor spacecraft be moving when it hits Tempel 1? Question Page Answer Page Q: How close does the spacecraft have to be before Tempel 1 looks like anything more than a white dot? Question Page Answer Page Q: How long after the impact happens will it be visible from Earth? Question Page Answer Page Q: How much energy will be produced when the impactor hits Tempel 1? Question Page Answer Page