Here are the links to this week's stories:
OSIRIS-Rex:
http://www.nasa.gov/feature/goddard/2016/nasa-to-map-asteroid-bennu-from-the-ground-up
https://en.wikipedia.org/wiki/101955_Bennu
Palermo Scale:
https://en.wikipedia.org/wiki/Palermo_Technical_Impact_Hazard_Scale
Get the OSIRIS-Rex animations here:
http://svs.gsfc.nasa.gov/10960
Are we premature?
https://www.cfa.harvard.edu/news/2016-17
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