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OSIRIS-APEX spacecraft disturbing surface of Apophis, illustration
Illustration showing the OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification and Security-pophis Explorer) Apophis is an asteroid which, in 2029, will pass Earth at a distance of around 20,000 km, closer than some of our satellites. The OSIRIS-Apex mission aims to see how Earth's gravity will affect the surface, trajectory and speed of Apophis when this occurs. As well as simply observing Apophis, OSIRIS-APEX will fire its thrusters near its surface, so that scientists can study the material below the top layer of material. As well as simply observing Apophis, OSIRIS-APEX will fire its thrusters near its surface, so that scientists can study the material below the top layer of material.
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