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Artist's conception of OSIRIS-REx preparing to take a sample from Bennu.

Artist's conception of OSIRIS-REx preparing to take a sample from Bennu.

NASA/Goddard

Here's your chance to tweet to an asteroid

Message to @Bennu: Some tweets on the way, but they’re taking the #slowroute. NASA is asking the public to submit tweets and images by means of social media on the subject of solar system exploration in 2014 and what it might be like in 2023, which will then be dispatched on its OSIRIS-REx spacecraft bound for the asteroid Bennu. The probe will depart in 2016, arrive at Bennu in 2019, spend 2 years there, and then return to Earth by 2023 with 60 grams of Bennu stuff. The 50 tweets and 50 images will then be revealed.

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