Breakfast with Refilwe Moloto

Understanding the significance of Osiris-Rex probe tagging asteroid Bennu

America's Osiris-Rex spacecraft has successfully made contact with a 500metre asteroid which was at the time 330 million kilometres from Earth, and its main mission was to collect around 60grams from the surface so that the composition can be analysed.  John Maytham speaks to Dr Nicolas Erasmus, Instrumentation Scientist and Astronomer at the South African Astronomical Observatory. 

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