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July 6, 2011

Neptune's day measured to the second

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The first accurate measurement of Neptune's rotational period has been determined by tracking specific atmospheric features. A day on Neptune lasts precisely 15 hours, 57 minutes and 59 seconds.

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Source: http://www.cosmosmagazine.com/news/4474/neptunes-day-measured

Ana Hickmann Ana Ivanovi Ana Paula Lemes Ananda Lewis Angela Marcello Angelina Jolie Anna Faris

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