Around 15 years ago, I was on a European Space Agency (Esa) committee, looking at Esa’s strategy for proposed forthcoming space missions. Under consideration was a mission to an asteroid. Over dinner, one of the committee members, an astrophysicist, quizzed me on why we needed to visit one of these objects.
Click here for original story, A NASA spacecraft is on course to deliver material from an asteroid to Earth—here’s what we could learn
Source: Phys.org